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1
US10719047B2
Image forming apparatus
Publication/Patent Number: US10719047B2 Publication Date: 2020-07-21 Application Number: 16/570,946 Filing Date: 2019-09-13 Inventor: Seki, Yuichi   Assignee: CANON KABUSHIKI KAISHA   IPC: G03G15/00 Abstract: An apparatus includes a forming unit, a cleaning mechanism that cleans a transparent member of a scanning device of the forming unit, a counter that counts a number of image-formed sheets, which are sheets of a recording medium on which images have been formed by the forming unit, the counter performing counting with a first count value in a case where the forming unit performs image formation in a first mode and performing counting with a second count value larger than the first count value in a case where the forming unit performs image formation in a second mode higher in image forming speed than the first mode, and a control unit that controls the cleaning mechanism to clean the transparent member in response to the number of image-formed sheets counted by the counter reaching a predetermined number of sheets.
2
US2020096931A1
IMAGE FORMING APPARATUS
Publication/Patent Number: US2020096931A1 Publication Date: 2020-03-26 Application Number: 16/570,946 Filing Date: 2019-09-13 Inventor: Seki, Yuichi   Assignee: CANON KABUSHIKI KAISHA   IPC: G03G21/00 Abstract: An apparatus includes a forming unit, a cleaning mechanism that cleans a transparent member of a scanning device of the forming unit, a counter that counts a number of image-formed sheets, which are sheets of a recording medium on which images have been formed by the forming unit, the counter performing counting with a first count value in a case where the forming unit performs image formation in a first mode and performing counting with a second count value larger than the first count value in a case where the forming unit performs image formation in a second mode higher in image forming speed than the first mode, and a control unit that controls the cleaning mechanism to clean the transparent member in response to the number of image-formed sheets counted by the counter reaching a predetermined number of sheets.
3
US2020075653A1
IMAGING ELEMENT AND IMAGING APPARATUS
Publication/Patent Number: US2020075653A1 Publication Date: 2020-03-05 Application Number: 16/610,668 Filing Date: 2018-05-02 Inventor: Seki, Yuichi   Ootsuka, Yoichi   Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION   IPC: H01L27/146 Abstract: Image quality of an imaging element having a configuration in which pixels having color filters are arranged two-dimensionally is prevented from being lowered._An imaging element includes a plurality of pixels and incident light attenuation sections. The pixel includes a color filter transmitting incident light having a predetermined wavelength, and a photoelectric conversion section that produces an electric charge according to the light transmitted through the color filter. The incident light attenuation section is disposed between the color filters of the adjacent pixels, is configured to be different in surface height from the color filters, and attenuates light not transmitted through the color filter but incident on the photoelectric conversion section of the pixel where the color filter is disposed.
4
US10559620B2
Solid-state imaging device with phase difference detection pixel and manufacturing method of the same, and electronic apparatus
Publication/Patent Number: US10559620B2 Publication Date: 2020-02-11 Application Number: 15/169,992 Filing Date: 2016-06-01 Inventor: Seki, Yuichi   Inoue, Toshinori   Sayama, Yukihiro   Nakamoto, Yuka   Assignee: Sony Corporation   IPC: H01L27/146 Abstract: There is provided a solid-state imaging device including: an imaging pixel including a photoelectric conversion unit which receives incident light; and a phase difference detection pixel including the photoelectric conversion unit and a light shielding unit which shields some of the light incident to the photoelectric conversion unit, in which the imaging pixel further includes a high refractive index film which is formed on the upper side of the photoelectric conversion unit, and the phase difference detection pixel further includes a low refractive index film which is formed on the upper side of the photoelectric conversion unit.
5
US2020127036A1
SOLID-STATE IMAGING DEVICE AND MANUFACTURING METHOD OF THE SAME, AND ELECTRONIC APPARATUS
Publication/Patent Number: US2020127036A1 Publication Date: 2020-04-23 Application Number: 16/718,888 Filing Date: 2019-12-18 Inventor: Seki, Yuichi   Inoue, Toshinori   Sayama, Yukihiro   Nakamoto, Yuka   Assignee: Sony Corporation   IPC: H01L27/146 Abstract: There is provided a solid-state imaging device including: an imaging pixel including a photoelectric conversion unit which receives incident light; and a phase difference detection pixel including the photoelectric conversion unit and a light shielding unit which shields some of the light incident to the photoelectric conversion unit, in which the imaging pixel further includes a high refractive index film which is formed on the upper side of the photoelectric conversion unit, and the phase difference detection pixel further includes a low refractive index film which is formed on the upper side of the photoelectric conversion unit.
6
US2020185443A1
SOLID-STATE IMAGING ELEMENT AND METHOD FOR MANUFACTURING THE SAME, AND ELECTRONIC DEVICE
Publication/Patent Number: US2020185443A1 Publication Date: 2020-06-11 Application Number: 16/336,009 Filing Date: 2017-09-28 Inventor: Itabasi, Kouichi   Nishimura, Yuuji   Ishikawa, Mitsuru   Seki, Yuichi   Shimoji, Masaya   Assignee: Sony Semiconductor Solutions Corporation   IPC: H01L27/146 Abstract: The present technology relates to a solid-state imaging element that is capable of suppressing occurrence of flares, ghosts, and color-mixing, and is capable of suppressing occurrence of stains caused by moisture and a method for manufacturing the same, and an electronic device. The solid-state imaging element includes a pixel in which a single-layered anti-reflective film is formed on a surface of a microlens and a pixel in which a double-layered anti-reflective film is formed on the surface of the microlens. For example, the present technology is applicable to a rear surface irradiation-type solid-state imaging element.
7
US10847561B2
Solid-state imaging element and method for manufacturing the same, and electronic device
Publication/Patent Number: US10847561B2 Publication Date: 2020-11-24 Application Number: 16/336,009 Filing Date: 2017-09-28 Inventor: Itabasi, Kouichi   Nishimura, Yuuji   Ishikawa, Mitsuru   Seki, Yuichi   Shimoji, Masaya   Assignee: Sony Semiconductor Solutions Corporation   IPC: H01L27/146 Abstract: The present technology relates to a solid-state imaging element that is capable of suppressing occurrence of flares, ghosts, and color-mixing, and is capable of suppressing occurrence of stains caused by moisture and a method for manufacturing the same, and an electronic device. The solid-state imaging element includes a pixel in which a single-layered anti-reflective film is formed on a surface of a microlens and a pixel in which a double-layered anti-reflective film is formed on the surface of the microlens. For example, the present technology is applicable to a rear surface irradiation-type solid-state imaging element.
8
JP2019053137A
OPTICAL SCANNING APPARATUS, IMAGE FORMING APPARATUS, AND MANAGEMENT SYSTEM
Publication/Patent Number: JP2019053137A Publication Date: 2019-04-04 Application Number: 2017176054 Filing Date: 2017-09-13 Inventor: Seki, Yuichi   Assignee: CANON INC   IPC: H04N1/113 Abstract: To improve efficiency and accuracy of detecting a failure of an optical scanning apparatus.MEANS FOR SOLVING THE PROBLEM: An optical scanning apparatus includes: a motor 15 which rotates a rotary polygon mirror 15a for deflecting laser beams and outputs FG signal 16; a BD 20 which detects the deflected laser beams and outputs BD signal 21; an image control unit 5 which controls rotation of the motor 15 on the basis of the FG signal 16 or the BD signal 21; and a determination unit 40 which outputs FG lock signal 45 and BD lock signal 46 when the motor 15 stably rotating at a target rotation speed is detected on the basis of periods of the FG signal 16 and the BD signal 21. The image control unit 5 warns of a failure of the motor 15 when no FG lock signal 45 is output from the determination unit 40 within a predetermined time (S104), or warns of an abnormal period of the BD signal 21 when the FG lock signal 45 is output from the determination unit 40 and no BD lock signal 46 is output from the determination unit 40 within a predetermined time (S107).SELECTED DRAWING: Figure 6
9
US10496004B2
Image forming apparatus with current-controlled light emitting element
Publication/Patent Number: US10496004B2 Publication Date: 2019-12-03 Application Number: 15/229,069 Filing Date: 2016-08-04 Inventor: Seki, Yuichi   Takezawa, Satoru   Assignee: Canon Kabushiki Kaisha   IPC: G03G15/043 Abstract: An image forming apparatus comprises a semiconductor laser for emitting laser light for irradiating a photosensitive drum, BD for detecting laser light before irradiating the photosensitive drum to output BD signal as a reference for determining an initiation position of the photosensitive drum, and a laser circuit board. The laser circuit board causes the semiconductor laser to emit laser light detected by the BD with first light amount. When a BD sensor outputs the BD signal, a laser circuit board causes the semiconductor laser to emit the laser light with second light amount.
10
US2019351752A1
VEHICLE DRIVE APPARATUS
Publication/Patent Number: US2019351752A1 Publication Date: 2019-11-21 Application Number: 16/473,657 Filing Date: 2018-03-27 Inventor: Tada, Yohei   Seki, Yuichi   Assignee: AISIN AW CO., LTD.   IPC: B60K6/387 Abstract: A vehicle drive apparatus that includes an engagement device, a rotating electrical machine, and a frictional engagement device on a power transfer path connecting an input drivably coupled to an internal combustion engine and an output drivably coupled to a wheel, wherein: a cooling oil passage provided in an area where the engagement device is arranged and configured such that oil for cooling the rotating electrical machine passes through the cooling oil passage and an inflow suppression provided between the engagement device and the frictional engagement device and configured to suppress occurrence of a situation in which oil passing through the frictional engagement device flows into the cooling oil passage are provided inside the tube.
11
DE112018000454T5
Fahrzeugantriebsvorrichtung
Publication/Patent Number: DE112018000454T5 Publication Date: 2019-10-10 Application Number: 112018000454 Filing Date: 2018-03-27 Inventor: Seki, Yuichi   Tada, Yohei   Assignee: Aisin AW Co., Ltd.   IPC: B60K6/547 Abstract: Eine Eingriffsvorrichtung (CL1) und eine Reibungseingriffsvorrichtung (CL2) sind in einer axialen Richtung (L) nebeneinander angeordnet. Die Eingriffsvorrichtung (CL1) und die Reibungseingriffsvorrichtung (CL2) sind auf einer radialen Innenseite (R1) einer rotierenden elektrischen Maschine (MG) angeordnet. Ein Rotorträgerelement (30) der rotierenden elektrischen Maschine (MG) weist einen rohrförmigen Abschnitt (31), der auf der radialen Innenseite (R1) eines Rotors (Ro) angeordnet ist und sich in die axiale Richtung (L) erstreckt, auf. Ein Kühlölkanal (P2), der in einem Bereich, in dem die Eingriffsvorrichtung (CL1) angeordnet ist, vorgesehen ist und so ausgebildet ist, dass Öl zum Kühlen der rotierenden elektrischen Maschine (MG) durch den Kühlölkanal (P2) strömt, und ein Einströmunterdrückungsabschnitt (88), der zwischen der Eingriffsvorrichtung (CL1) und der Reibungseingriffsvorrichtung (CL2) vorgesehenen ist, und dazu ausgebildet ist, ein Auftreten einer Situation, in der Öl, das durch die Reibungseingriffsvorrichtung (CL2) strömt, in den Kühlölkanal (P2) strömt, zu unterdrücken, innerhalb des rohrförmigen Abschnitts (31) vorgesehen sind.
12
JP2019039494A
FASTENING STRUCTURE
Publication/Patent Number: JP2019039494A Publication Date: 2019-03-14 Application Number: 2017161905 Filing Date: 2017-08-25 Inventor: Seki, Yuichi   Matsushima, Yohei   Torii, Takeshi   Assignee: AISIN AW CO LTD   IPC: F16B39/02 Abstract: To provide a fastening structure capable of reducing the number of members and an installation space.SOLUTION: A fastening structure includes an outside member 1 having a cylindrical inner peripheral surface 1A and formed with a female screw 5 on the inner peripheral surface 1A, and an inside member 2 having a cylindrical outer peripheral surface 2B and formed with a male screw 6 on the outer peripheral surface 2B. The female screw 5 is screwed with the male screw 6, and the outside member 1 has a through hole 18 penetrating the outside member 1 in a radial direction R. In the male screw 6, a melt-deformed portion 19 is formed at a portion facing an inner end 18A in the radial direction R of the through hole 18.SELECTED DRAWING: Figure 1
13
US2018017889A1
IMAGE FORMING APPARATUS
Publication/Patent Number: US2018017889A1 Publication Date: 2018-01-18 Application Number: 15/646,996 Filing Date: 2017-07-11 Inventor: Seki, Yuichi   Assignee: Canon Kabushiki Kaisha   IPC: H04N1/393 Abstract: Surface identification processing is performed using a period of a BD signal when an amount of light incident on a BD sensor reaches an amount equal to or more than a threshold value, and the surface identification processing is not performed using the period of the BD signal in a state where the amount of light incident on the BD sensor is less than the threshold value. Thus, malfunction of the image forming apparatus due to failure of the surface identification processing is suppressed.
14
US10095154B2
Light scanning apparatus
Publication/Patent Number: US10095154B2 Publication Date: 2018-10-09 Application Number: 15/606,744 Filing Date: 2017-05-26 Inventor: Seki, Yuichi   Assignee: CANON KABUSHIKI KAISHA   IPC: G03G15/00 Abstract: A light scanning apparatus, including: a light source configured to emit a light beam; a light intensity detection portion configured to detect a light intensity of the light beam; and a light intensity control portion configured to control the light intensity of the light beam based on a detection result of the light intensity detection portion, wherein the light intensity control portion supplies, in advance, to the light source, a bias current equal to or less than a threshold current at which the light source starts emitting the light beam, and supplies, to the light source, a switching current superposed on the bias current, the switching current being modulated in order to control light emission of the light source in accordance with an image signal, and wherein the light intensity control portion includes a bias current changing unit configured to change the bias current.
15
US10126676B2
Image forming apparatus
Publication/Patent Number: US10126676B2 Publication Date: 2018-11-13 Application Number: 15/646,996 Filing Date: 2017-07-11 Inventor: Seki, Yuichi   Assignee: Canon Kabushiki Kaisha   IPC: G03G15/043 Abstract: Surface identification processing is performed using a period of a BD signal when an amount of light incident on a BD sensor reaches an amount equal to or more than a threshold value, and the surface identification processing is not performed using the period of the BD signal in a state where the amount of light incident on the BD sensor is less than the threshold value. Thus, malfunction of the image forming apparatus due to failure of the surface identification processing is suppressed.
16
US9964887B2
Light scanning apparatus and image forming apparatus
Publication/Patent Number: US9964887B2 Publication Date: 2018-05-08 Application Number: 15/345,114 Filing Date: 2016-11-07 Inventor: Seki, Yuichi   Assignee: CANON KABUSHIKI KAISHA   IPC: H04N1/113 Abstract: A light scanning apparatus, including: a light source; a light intensity detecting portion configured to detect a light intensity of the light beam emitted from the light source; and a light intensity controller configured to control the light intensity based on a detection result of the light intensity detecting portion, wherein the light intensity controller is configured to supply, in advance, to the light source, a bias current smaller than a threshold current at which the light source starts emitting the light beam, and is configured to control a supply of a drive current to the light source, the drive current being generated by superimposing, on the bias current, a switching current for controlling the light source in accordance with an image signal, and the light intensity controller includes a current stopping unit configured to stop a supply of the bias current and the drive current to the light source.
17
US9891549B2
Light scanning apparatus, image forming apparatus, and method of manufacturing light scanning apparatus
Publication/Patent Number: US9891549B2 Publication Date: 2018-02-13 Application Number: 15/255,889 Filing Date: 2016-09-02 Inventor: Seki, Yuichi   Assignee: CANON KABUSHIKI KAISHA   IPC: G03G15/043 Abstract: A light scanning apparatus, including: a light source configured to emit a light beam; a rotary polygon mirror configured to deflect the light beam emitted from the light source so that the light beam scans on a surface of a photosensitive member in a main scanning direction; a motor configured to rotate the rotary polygon mirror; and a rotational position detection unit configured to detect a magnetic flux change caused by rotation of the motor to generate a rotational position detection signal, wherein an emitting start timing of the light beam from the light source is determined based on the rotational position detection signal in order to maintain a writing start position of the light beam with respect to the photosensitive member in the main scanning direction.
18
JP2018010151A
画像形成装置
Title (English): Portrait forming device
Publication/Patent Number: JP2018010151A Publication Date: 2018-01-18 Application Number: 2016138750 Filing Date: 2016-07-13 Inventor: Seki, Yuichi   Assignee: CANON INC   IPC: B41J2/47 Abstract: 【課題】 BDセンサの出力遅延によってBD周期を用いた面特定処理を失敗する。【解決手段】 BDセンサ20に入射する光量が閾値以上になってことに応じてBD信号の周期を用いた面特定処理を実行し、BDセンサ20に入射する光量が閾値未満の状態ではBD信号の周期を用いた面特定処理を実行しないことによって面特定処理の失敗による画像形成装置の誤動作を抑制する。【選択図】 図6
19
WO2018181352A1
DRIVE DEVICE FOR VEHICLE
Publication/Patent Number: WO2018181352A1 Publication Date: 2018-10-04 Application Number: 2018012490 Filing Date: 2018-03-27 Inventor: Seki, Yuichi   Tada, Yohei   Assignee: AISIN AW CO., LTD.   IPC: H02K7/108 Abstract: An engagement device (CL1) and a friction engagement device (CL2) are arranged side-by-side in an axial direction L, and each of the engagement device (CL1) and the friction engagement device (CL2) is disposed on the inside (R1) radially of a dynamo-electric machine (MG). The rotor support member (30) of the dynamo-electric machine (MG) has a cylindrical section (31) located on the inside (R1) radially of a rotor (Ro) and extending in the axial direction (L), and the cylindrical section (31) has therein: a cooling oil passage (P2) provided in the region where the engagement device (CL1) is provided, the cooling oil passage (P2) allowing oil for cooling the dynamo-electric machine (MG) to flow therethrough; and an inflow prevention section (88) provided between the engagement device (CL1) and the friction engagement device (CL2) and preventing oil having flowed through the friction engagement device (CL2) from flowing into the cooling oil passage (P2).
20
JP2018200909A
IMAGING DEVICE AND IMAGING APPARATUS
Publication/Patent Number: JP2018200909A Publication Date: 2018-12-20 Application Number: 2017103469 Filing Date: 2017-05-25 Inventor: Otsuka, Yoichi   Seki, Yuichi   Assignee: SONY SEMICONDUCTOR SOLUTIONS CORP   IPC: H04N9/07 Abstract: To prevent deterioration of image quality of an imaging device in which pixels having color filters are arranged two-dimensionally.SOLUTION: An imaging device comprises a plurality of pixels and an incident light attenuation part. A pixel comprises a color filter that transmits predetermined wavelength light of incident light and a photoelectric conversion part that generates electrical charge according to the light transmitted through the color filter. The incident light attenuation part attenuates the light that enters into the photoelectric conversion part of the pixel which is disposed between color filters in the adjacent pixels, and in which the color filter is disposed without transmitting the color filter constituted in surface height being different from the color filter.SELECTED DRAWING: Figure 3