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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US2020018831A1
LIGHT DETECTOR
Publication/Patent Number: US2020018831A1 Publication Date: 2020-01-16 Application Number: 16/582,290 Filing Date: 2019-09-25 Inventor: Azuma, Kenta   Ozaki, Noriyuki   Kashiwada, Shinji   Kimura, Teiyu   Takai, Isamu   Matsubara, Hiroyuki   Assignee: DENSO CORPORATION   IPC: G01S7/486 Abstract: A light detector is provided to include a light receiving array having a plurality of light receivers respectively outputting pulse signals upon incidence of photons. A delay setting value is set which is used to adjust a time interval from when the pulse signals are output from the light receiving array to when a response number, which is a specified number of the light receivers outputting the pulse signals, is acquired. A light detector is provided to include a light receiving array having a plurality of light receivers respectively outputting pulse signals upon incidence of photons. A delay setting value is set which is used to adjust a time interval from when the pulse signals are output from ...More Less
2 US2020044098A1
LIGHT DETECTOR
Publication/Patent Number: US2020044098A1 Publication Date: 2020-02-06 Application Number: 16/583,674 Filing Date: 2019-09-26 Inventor: Azuma, Kenta   Kimura, Teiyu   Ozaki, Noriyuki   Kashiwada, Shinji   Hata, Takehiro   Takai, Isamu   Matsubara, Hiroyuki   Assignee: DENSO CORPORATION   IPC: H01L31/02 Abstract: A light detector is provided to include a detection module, and a monitoring SPAD. The detection module includes an SPAD that is an avalanche photodiode operable in Geiger mode; the detection module is configured to perform light detection by applying, to the SPAD, a reverse bias voltage in a reverse direction. The monitoring SPAD has characteristics identical to characteristics of the SPAD in the detection module. The reverse bias voltage is generated to be applied to the SPAD in the detection module based on (i) a reference breakdown voltage set from a breakdown voltage generated across the monitoring SPAD in Geiger mode and (ii) a predetermined excess voltage. A light detector is provided to include a detection module, and a monitoring SPAD. The detection module includes an SPAD that is an avalanche photodiode operable in Geiger mode; the detection module is configured to perform light detection by applying, to the SPAD, a reverse ...More Less
3 US2020044109A1
PHOTODETECTOR
Publication/Patent Number: US2020044109A1 Publication Date: 2020-02-06 Application Number: 16/598,295 Filing Date: 2019-10-10 Inventor: Azuma, Kenta   Ozaki, Noriyuki   Kashiwada, Shinji   Kimura, Teiyu   Takai, Isamu   Matsubara, Hiroyuki   Ohta, Mitsuhiko   Hiratsuka, Shigeyoshi   Assignee: DENSO CORPORATION   KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO   IPC: H01L31/107 Abstract: A photodetector includes: a photoreceptor provided with a SPAD that is configured to respond to incidence of a photon, and as the response of the SPAD, configured to output a pulse signal; and a pulse rate control circuit configured to control sensitivity of the photoreceptor to have a pulse rate as the number of pulse signals outputted per unit time from the photoreceptor to be a set value set in advance, (i) in a set range including the set value, (ii) in a set range of the set value or more, or (iii) in a set range of the set value or less. A photodetector includes: a photoreceptor provided with a SPAD that is configured to respond to incidence of a photon, and as the response of the SPAD, configured to output a pulse signal; and a pulse rate control circuit configured to control sensitivity of the photoreceptor to ...More Less
4 US2020018832A1
PHOTODETECTOR AND DISTANCE MEASUREMENT APPARATUS
Publication/Patent Number: US2020018832A1 Publication Date: 2020-01-16 Application Number: 16/584,093 Filing Date: 2019-09-26 Inventor: Azuma, Kenta   Ozaki, Noriyuki   Kashiwada, Shinji   Kimura, Teiyu   Takai, Isamu   Matsubara, Hiroyuki   Ohta, Mitsuhiko   Hiratsuka, Shigeyoshi   Assignee: DENSO CORPORATION   IPC: G01S7/486 Abstract: A photodetector includes plural detectors. Each of the plural detectors has a single photon avalanche diode (hereinafter referred to as SPAD) which responds to incidence of a photon. The plural detectors include at least a first detector and a second detector. The SPAD has a recovery time period until the SPAD reaches a next photon-responsive state, in response to the SPAD responding to the incidence of the photon. The recovery time period of the SPAD in the first detector is different from the recovery time period of the SPAD in the second detector. A photodetector includes plural detectors. Each of the plural detectors has a single photon avalanche diode (hereinafter referred to as SPAD) which responds to incidence of a photon. The plural detectors include at least a first detector and a second detector. The SPAD has a ...More Less
5 US10322446B2
Nitrided layer repair method
Publication/Patent Number: US10322446B2 Publication Date: 2019-06-18 Application Number: 15/702,439 Filing Date: 2017-09-12 Inventor: Tabata, Eiji   Furukawa, Yuichi   Tsunekawa, Yoshiki   Matsubara, Hiroyuki   Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA   TETRA CO., LTD   TOYOTA SCHOOL FOUNDATION   IPC: C23C8/26 Abstract: There is provided a nitrided layer repair method in which a molten metal is pressurized and solidified, and thus a nitrided layer formed on a cavity surface of a mold used to form a casting object is repaired. In the nitrided layer repair method, a nitriding source is applied to the cavity surface, and the cavity surface of the mold is nitrided by heating and pressurizing the cavity surface using the molten metal. There is provided a nitrided layer repair method in which a molten metal is pressurized and solidified, and thus a nitrided layer formed on a cavity surface of a mold used to form a casting object is repaired. In the nitrided layer repair method, a nitriding source is applied to ...More Less
6 US2019259899A1
PHOTODETECTOR AND OPTICAL DISTANCE MEASURING DEVICE
Publication/Patent Number: US2019259899A1 Publication Date: 2019-08-22 Application Number: 16/273,419 Filing Date: 2019-02-12 Inventor: Ito, Seigo   Takai, Isamu   Matsubara, Hiroyuki   Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO   IPC: G01S7/486 Abstract: A photodetector includes a light receiving part having a plurality of light receiving elements, and a signal processing part that adds outputs from the light receiving elements and outputs the result. A plurality of measurements are performed while combination of effective light receiving elements among the light receiving elements in the light receiving part is changed. The results of the measurements are subjected to a compressive sensing process to determine an output signal of for each light receiving element or for each group of light receiving elements. A photodetector includes a light receiving part having a plurality of light receiving elements, and a signal processing part that adds outputs from the light receiving elements and outputs the result. A plurality of measurements are performed while combination of effective light ...More Less
7 US10209603B2
Switching optical antenna, switching optical antenna array, and optical scanning device
Publication/Patent Number: US10209603B2 Publication Date: 2019-02-19 Application Number: 15/704,693 Filing Date: 2017-09-14 Inventor: Inoue, Daisuke   Matsubara, Hiroyuki   Ichikawa, Tadashi   Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO   IPC: G02F1/295 Abstract: A switching optical antenna that includes: a waveguide including a light input end and a light output end; a ring waveguide coupled with the waveguide through a first directional coupler; a diffraction grating that is disposed within the ring waveguide and that is coupled with the ring waveguide through a second directional coupler; and a refractive index adjusting section that changes a refractive index of at least a portion of the ring waveguide. A switching optical antenna that includes: a waveguide including a light input end and a light output end; a ring waveguide coupled with the waveguide through a first directional coupler; a diffraction grating that is disposed within the ring waveguide and that is coupled with ...More Less
8 US10344641B2
Exhaust gas purifying catalyst
Publication/Patent Number: US10344641B2 Publication Date: 2019-07-09 Application Number: 15/912,676 Filing Date: 2018-03-06 Inventor: Tsuji, Makoto   Imai, Hiroto   Kobayashi, Shintaro   Shimmyo, Yusuke   Matsubara, Hiroyuki   Assignee: CATALER CORPORATION   TOYOTA JIDOSHA KABUSHIKI KAISHA   IPC: F01N3/035 Abstract: An exhaust gas purifying catalyst includes an inlet-side catalyst layer formed on an inner side of the partition wall from a surface of the partition wall in contact with an inlet-side cell and formed along an extension direction from an end portion on the exhaust gas inflow side, and an outlet-side catalyst layer formed on the inner side of the partition wall from a surface of the partition wall in contact with an outlet-side cell and formed along the extension direction from an end portion on the exhaust gas outflow side. Here, a sum of the lengths of the inlet-side catalyst layer and the outlet-side catalyst layer is larger than the entire length of the partition wall, and a total amount of an SCR catalyst body present in the outlet-side catalyst layer is larger than a total amount of an SCR catalyst body present in the inlet-side catalyst layer. An exhaust gas purifying catalyst includes an inlet-side catalyst layer formed on an inner side of the partition wall from a surface of the partition wall in contact with an inlet-side cell and formed along an extension direction from an end portion on the exhaust gas inflow ...More Less
9 US10408102B2
Oxidation catalyst device for exhaust gas purification
Publication/Patent Number: US10408102B2 Publication Date: 2019-09-10 Application Number: 15/995,163 Filing Date: 2018-06-01 Inventor: Noguchi, Takahiro   Tsuji, Makoto   Imai, Hiroto   Shimmyo, Yusuke   Matsubara, Hiroyuki   Assignee: CATALER CORPORATION   TOYOTA JIDOSHA KABUSHIKI KAISHA   IPC: B01J21/04 Abstract: An oxidation catalyst device for exhaust gas purification, having a first catalyst coating layer on the exhaust gas flow's upstream side, second catalyst coating layer of an upper layer on exhaust gas flow's downstream side, and third catalyst coating layer of a lower layer on exhaust gas flow's downstream side, on a substrate, wherein the weight ratio of platinum to palladium in the first catalyst coating layer is 0.75 to 4.50, weight ratio of platinum to palladium in second catalyst coating layer is greater than 4.50 to 25.0, weight ratio of platinum to palladium in third catalyst coating layer is 0.12 or less, the length of first catalyst coating layer is 8% to 55% of the substrate's length, length of second catalyst coating layer is 45% to 95% of the substrate's length, and length of third catalyst coating layer is 45% to 95% of the substrate's length. An oxidation catalyst device for exhaust gas purification, having a first catalyst coating layer on the exhaust gas flow's upstream side, second catalyst coating layer of an upper layer on exhaust gas flow's downstream side, and third catalyst coating layer of a lower layer on ...More Less
10 US2019093530A1
OXIDATION CATALYST DEVICE FOR EXHAUST GAS PURIFICATION
Publication/Patent Number: US2019093530A1 Publication Date: 2019-03-28 Application Number: 15/995,163 Filing Date: 2018-06-01 Inventor: Noguchi, Takahiro   Tsuji, Makoto   Imai, Hiroto   Shimmyo, Yusuke   Matsubara, Hiroyuki   Assignee: CATALER CORPORATION   TOYOTA JIDOSHA KABUSHIKI KAISHA   IPC: F01N3/10 Abstract: An oxidation catalyst device for exhaust gas purification, having a first catalyst coating layer on the exhaust gas flow's upstream side, second catalyst coating layer of an upper layer on exhaust gas flow's downstream side, and third catalyst coating layer of a lower layer on exhaust gas flow's downstream side, on a substrate, wherein the weight ratio of platinum to palladium in the first catalyst coating layer is 0.75 to 4.50, weight ratio of platinum to palladium in second catalyst coating layer is greater than 4.50 to 25.0, weight ratio of platinum to palladium in third catalyst coating layer is 0.12 or less, the length of first catalyst coating layer is 8% to 55% of the substrate's length, length of second catalyst coating layer is 45% to 95% of the substrate's length, and length of third catalyst coating layer is 45% to 95% of the substrate's length. An oxidation catalyst device for exhaust gas purification, having a first catalyst coating layer on the exhaust gas flow's upstream side, second catalyst coating layer of an upper layer on exhaust gas flow's downstream side, and third catalyst coating layer of a lower layer on ...More Less
11 EP2233356B1
INFORMATION DISPLAY DEVICE
Publication/Patent Number: EP2233356B1 Publication Date: 2019-11-06 Application Number: 08862133.9 Filing Date: 2008-12-05 Inventor: Murata, Kanae   Shimaoka, Keiichi   Aoyagi, Isao   Fujitsuka, Norio   Omura, Yoshiteru   Matsubara, Hiroyuki   Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho   IPC: B60Q1/24
12 JP6259664B2
SCANNING OPTICAL SYSTEM
Publication/Patent Number: JP6259664B2 Publication Date: 2018-01-10 Application Number: 2014001177 Filing Date: 2014-01-07 Inventor: Matsubara, Hiroyuki   Isono, Masafumi   Assignee: DENSO CORP   TOYOTA CENTRAL R&D LABS INC   IPC: G01S7/481 Abstract: PROBLEM TO BE SOLVED: To prevent rotation of a reflection beam image on a photosensitive element without having to increase the number of parts.SOLUTION: A scanning optical system 18 includes: a projection mirror 24 which rotates about a predefined rotation axis X and reflects a light beam emitted from a laser light source 16 in a predefined direction L1 to project the light beam to an object in the predefined direction L1; and a light-receiving mirror 28 which is mounted such that a reflective surface thereof faces an inverted direction relative to a reflective surface of the projection mirror 24 PROBLEM TO BE SOLVED: To prevent rotation of a reflection beam image on a photosensitive element without having to increase the number of parts.SOLUTION: A scanning optical system 18 includes: a projection mirror 24 which rotates about a predefined rotation axis X and reflects a ...More Less
13 JP6256445B2
IC CARTRIDGE AND ENVIRONMENTAL ADJUSTMENT DEVICE
Publication/Patent Number: JP6256445B2 Publication Date: 2018-01-10 Application Number: 2015195386 Filing Date: 2015-09-30 Inventor: Ikeda, Makoto   Matsubara, Hiroyuki   Assignee: DAIKIN IND LTD   IPC: F24F11/02 Abstract: PROBLEM TO BE SOLVED: To provide an IC cartridge which safely adds a radio function to an environmental adjustment device at low costs.SOLUTION: An IC cartridge 200 is configured so that a connection terminal 203 is inserted into a connector 150 to cause an insulating case 210 to be housed in an air conditioner 1 and supported by the air conditioner 1. Further PROBLEM TO BE SOLVED: To provide an IC cartridge which safely adds a radio function to an environmental adjustment device at low costs.SOLUTION: An IC cartridge 200 is configured so that a connection terminal 203 is inserted into a connector 150 to cause an insulating case 210 ...More Less
14 US201885823A1
NITRIDED LAYER REPAIR METHOD
Publication/Patent Number: US201885823A1 Publication Date: 2018-03-29 Application Number: 20/171,570 Filing Date: 2017-09-12 Inventor: Furukawa, Yuichi   Tsunekawa, Yoshiki   Tsunekawa, Yoshiki   Matsubara, Hiroyuki   Assignee: Toyota Jidosha Kabushiki Kaisha   TOYOTA SCHOOL FOUNDATION   TETRA Co., Ltd.   IPC: C23C8/26 Abstract: There is provided a nitrided layer repair method in which a molten metal is pressurized and solidified, and thus a nitrided layer formed on a cavity surface of a mold used to form a casting object is repaired. In the nitrided layer repair method, a nitriding source is applied to the cavity surface, and the cavity surface of the mold is nitrided by heating and pressurizing the cavity surface using the molten metal. There is provided a nitrided layer repair method in which a molten metal is pressurized and solidified, and thus a nitrided layer formed on a cavity surface of a mold used to form a casting object is repaired. In the nitrided layer repair method, a nitriding source is applied to ...More Less
15 US2018088439A1
SWITCHING OPTICAL ANTENNA, SWITCHING OPTICAL ANTENNA ARRAY, AND OPTICAL SCANNING DEVICE
Publication/Patent Number: US2018088439A1 Publication Date: 2018-03-29 Application Number: 15/704,693 Filing Date: 2017-09-14 Inventor: Ichikawa, Tadashi   Matsubara, Hiroyuki   Inoue, Daisuke   Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO   IPC: G02F1/295 Abstract: A switching optical antenna that includes: a waveguide including a light input end and a light output end; a ring waveguide coupled with the waveguide through a first directional coupler; a diffraction grating that is disposed within the ring waveguide and that is coupled with the ring waveguide through a second directional coupler; and a refractive index adjusting section that changes a refractive index of at least a portion of the ring waveguide. A switching optical antenna that includes: a waveguide including a light input end and a light output end; a ring waveguide coupled with the waveguide through a first directional coupler; a diffraction grating that is disposed within the ring waveguide and that is coupled with ...More Less
16 JP2018053317A
REPAIR METHOD OF NITRIDED LAYER
Publication/Patent Number: JP2018053317A Publication Date: 2018-04-05 Application Number: 2016191441 Filing Date: 2016-09-29 Inventor: Matsubara, Hiroyuki   Furukawa, Yuichi   Tsunekawa, Yoshiki   Tabata, Eiji   Assignee: TOYOTA MOTOR CORP   TETRA CO LTD   TOYOTA GAKUEN   IPC: C23C8/62 Abstract: PROBLEM TO BE SOLVED: To provide a repair method of a nitrided layer, the method being capable of suppressing a decrease in productivity.SOLUTION: A repair method of a nitrided layer according to one embodiment is a repair method of repairing a nitrided layer 16 formed on a cavity surface 12 of a mold 10 for forming a cast by pressure solidifying a molten metal 20. The cavity surface 12 of the mold 10 is nitrided by imparting a nitriding source 13 to the cavity surface 12, and heating and pressuring with the molten metal 20. In addition, the nitriding source 13 includes urea. Further, the nitriding source 13 is imparted to the cavity surface 12 by including the nitriding source 13 in a mold lubricant.SELECTED DRAWING: Figure 1 PROBLEM TO BE SOLVED: To provide a repair method of a nitrided layer, the method being capable of suppressing a decrease in productivity.SOLUTION: A repair method of a nitrided layer according to one embodiment is a repair method of repairing a nitrided layer 16 formed on a ...More Less
17 US2018085823A1
NITRIDED LAYER REPAIR METHOD
Publication/Patent Number: US2018085823A1 Publication Date: 2018-03-29 Application Number: 15/702,439 Filing Date: 2017-09-12 Inventor: Matsubara, Hiroyuki   Tsunekawa, Yoshiki   Furukawa, Yuichi   Tabata, Eiji   Assignee: TETRA Co., Ltd.   Toyota School Foundation   TOYOTA JIDOSHA KABUSHIKI KAISHA   IPC: C23C8/26 Abstract: There is provided a nitrided layer repair method in which a molten metal is pressurized and solidified, and thus a nitrided layer formed on a cavity surface of a mold used to form a casting object is repaired. In the nitrided layer repair method, a nitriding source is applied to the cavity surface, and the cavity surface of the mold is nitrided by heating and pressurizing the cavity surface using the molten metal. There is provided a nitrided layer repair method in which a molten metal is pressurized and solidified, and thus a nitrided layer formed on a cavity surface of a mold used to form a casting object is repaired. In the nitrided layer repair method, a nitriding source is applied to ...More Less
18 JP2018049223A
SWITCHING OPTICAL ANTENNA, SWITCHING OPTICAL ANTENNA ARRAY, AND OPTICAL SCANNING DEVICE
Publication/Patent Number: JP2018049223A Publication Date: 2018-03-29 Application Number: 2016185875 Filing Date: 2016-09-23 Inventor: Matsubara, Hiroyuki   Inoue, Daisuke   Ichikawa, Tadashi   Assignee: TOYOTA CENTRAL R&D LABS INC   IPC: G02B6/12 Abstract: PROBLEM TO BE SOLVED: To provide a switching optical antenna that enables size reduction and two-dimensional and high-density arrangement of optical and electrical wiring, and to provide a switching optical antenna array and optical scanning device.SOLUTION: A switching optical antenna comprises; a waveguide 20 having an input end and output end for light; a ring waveguide 16 coupled with the waveguide 20 via a first directional coupler 14-2; a diffraction grating 12 disposed within the ring waveguide 16 and coupled with the ring waveguide 16 via a second directional coupler 14-1; and a refractive index adjuster 18 configured to change refractive index of at least a portion of the ring waveguide 16.SELECTED DRAWING: Figure 1 PROBLEM TO BE SOLVED: To provide a switching optical antenna that enables size reduction and two-dimensional and high-density arrangement of optical and electrical wiring, and to provide a switching optical antenna array and optical scanning device.SOLUTION: A switching optical ...More Less
19 US10071365B2
Catalytic converter
Publication/Patent Number: US10071365B2 Publication Date: 2018-09-11 Application Number: 14/761,847 Filing Date: 2013-11-26 Inventor: Aoki, Yuki   Suzuki, Hiromasa   Matsubara, Hiroyuki   Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA   IPC: B01J23/42 Abstract: There is provided a catalytic converter that offers high exhaust gas cleaning performance by effectively utilizing a whole catalyst that constitutes the catalytic converter. In a catalytic converter (10), catalytic layers (2A, 2B) made of a noble metal catalyst are formed on cell wall surfaces of a substrate (1) having a cell structure, and the catalytic layers (2A, 2B) extend in a longitudinal direction of the substrate (1) along which gas flows. The substrate (1) has a central region (1A) having a relatively high cell density and a peripheral region (1B) having a relatively low cell density. The length of each of the catalytic layers (2B) in the longitudinal direction in the peripheral region (1B) is longer than the length of each of the catalytic layers (2A) in the longitudinal direction in the central region (1A). There is provided a catalytic converter that offers high exhaust gas cleaning performance by effectively utilizing a whole catalyst that constitutes the catalytic converter. In a catalytic converter (10), catalytic layers (2A, 2B) made of a noble metal catalyst are formed on ...More Less
20 JP2018034914A
WORKING AUXILIARY DEVICE
Publication/Patent Number: JP2018034914A Publication Date: 2018-03-08 Application Number: 2016166919 Filing Date: 2016-08-29 Inventor: Matsubara, Hiroyuki   Nakamura, Masami   Watanabe, Kenta   Yokoi, Nobumitsu   Assignee: TOYOTA BOSHOKU CORP   IPC: B65G57/03 Abstract: PROBLEM TO BE SOLVED: To provide a working auxiliary device which assists a load elevating work.SOLUTION: The working auxiliary device comprises: a support part 30 which supports a load and can be displaced in a horizontal direction and a vertical direction; a first loading part 40; a second loading part 50; a weight 22 which is loaded on any one of the first loading part 40 and the second loading part 50; a weight elevating mechanism 60 which elevates the first loading part 40 in the state that the weight 22 is loaded thereon to a height of the second loading part 50 or higher by use of a weight of a load 11 when the load 11 supported by the support part 30 is lowered to a position lower than a reference height; a ramp 23 which moves the weight 22 from the first loading part 40, which is elevated to the height of the second loading part 50 or higher, to the second loading part 50; and a support part elevating mechanism 80 which exerts a vertical direction upward force onto the support part 30 by use of a weight of the weight 22 loaded on the second loading part 50.SELECTED DRAWING: Figure 1 PROBLEM TO BE SOLVED: To provide a working auxiliary device which assists a load elevating work.SOLUTION: The working auxiliary device comprises: a support part 30 which supports a load and can be displaced in a horizontal direction and a vertical direction; a first loading part ...More Less