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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1
US2021124124A1
OPTICAL FIBER MODULE AND OPTICAL SWITCH
Publication/Patent Number: US2021124124A1 Publication Date: 2021-04-29 Application Number: 17/070,369 Filing Date: 2020-10-14 Inventor: Shimakawa, Osamu   Assignee: Sumitomo electric industries ltd osaka shi japan   IPC: G02B6/35 Abstract: An optical fiber module is disclosed. The optical fiber module includes a first optical fiber as an MCF, a plurality of second optical fibers as MCFs, a first unit, and a second unit. The first unit has an hole holding the first optical fiber and a plurality of holes respectively holding the second optical fibers. These holes are independent of each other. Each optical fiber has a first part and a second part. An outer surface of a cladding of the first part is coated with a resin. An outer surface of a cladding of the second part is exposed from the resin. The first unit holds the first part. The second unit holds the second part. A boundary between the first part and the second part is positioned in a space between the first unit and the second unit.
2
US2021058039A1
SEMICONDUCTOR DEVICE AND AMPLIFIER ASSEMBLY
Publication/Patent Number: US2021058039A1 Publication Date: 2021-02-25 Application Number: 17/093,203 Filing Date: 2020-11-09 Inventor: Tanomura, Masahiro   Assignee: Sumitomo Electric Industries, Ltd   IPC: H03F1/02 Abstract: A semiconductor device and an amplifier assembly implementing the semiconductor device are disclosed. The semiconductor device, which is a type of Doherty amplifier, includes first transistor elements for a carrier amplifier of the Doherty amplifier and second transistor elements for a peak amplifier. A feature of the Doherty amplifier is that the first transistor elements and the second transistor elements are disposed alternatively on a common semiconductor substrate.
3
US10957466B1
Shielded flat cable
Publication/Patent Number: US10957466B1 Publication Date: 2021-03-23 Application Number: 16/987,570 Filing Date: 2020-08-07 Inventor: Kojima, Chiaki   Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD   IPC: H01B7/08 Abstract: A shielded flat cable includes one or more ground wires arranged, the ground wires being parallel to each other, one or more signal wires arranged parallel to the one or more ground wires, an insulating layer covering the one or more ground wires and the one or more signal wires, and a shield layer provided on an outer surface of the insulating layer, wherein a thickness of the insulating layer at a central position of each ground wire in an arrangement direction is smaller than a thickness of the insulating layer at a central position of each signal wire in the arrangement direction, in a cross-section orthogonal to a longitudinal direction of the one or more ground wires, the arrangement direction being a direction in which the one or more ground wires and the one or more signal wires are arranged parallel to each other.
4
US2021164083A1
COPPER-COATED STEEL WIRE AND STRANDED WIRE
Publication/Patent Number: US2021164083A1 Publication Date: 2021-06-03 Application Number: 17/262,352 Filing Date: 2018-08-07 Inventor: Akada, Takumi   Takamura, Shinei   Sato, Daigo   Enomoto, Takaaki   Assignee: Sumitomo Electric Industries, Ltd   IPC: C22C38/58 Abstract: A copper-coated steel wire includes a core wire made of a steel and a coating layer made of copper or a copper alloy which covers an outer peripheral surface of the core wire. The coating layer includes an intermediate layer which is disposed in a region including the interface with the core wire and has a higher zinc concentration than a remaining region of the coating layer.
5
US10937918B2
Flexible printed circuit, and concentrator photovoltaic module and concentrator photovoltaic panel using same
Publication/Patent Number: US10937918B2 Publication Date: 2021-03-02 Application Number: 15/302,888 Filing Date: 2015-02-13 Inventor: Saito, Kenji   Nagai, Youichi   Hirotsu, Kenichi   Iwasaki, Takashi   Asai, Shougo   Matsuyama, Hiroyuki   Assignee: Sumitomo electric industries ltd   IPC: H01L31/05 Abstract: Provided is a flexible printed circuit including: a film-shaped insulating base material having flexibility and having a withstand voltage value of at least 2000 V; and an electric conductor layer formed on the insulating base material and forming a circuit pattern, wherein with respect to the insulating base material, a principal component thereof is a polyimide and a filler content thereof is 0%. Thus, a flexible printed circuit can be obtained that has an insulating base material which suppresses decrease in withstand voltage performance even in a high humidity environment.
6
US2021072445A1
OPTICAL MODULE
Publication/Patent Number: US2021072445A1 Publication Date: 2021-03-11 Application Number: 17/016,741 Filing Date: 2020-09-10 Inventor: Kurokawa, Munetaka   Fujimura, Yasushi   Assignee: Sumitomo electric industries ltd   IPC: G02B5/30 Abstract: The optical module includes an optical separating element. The optical separating element includes a birefringent material and has a first face and a second face. The first face is configured to receive a signal light and a LO light. The signal light includes a first polarized light and a second polarized light. The first polarized light travels from the first face to the second face in a first direction and is emitted from a first emission spot on the second face. The second polarized light travels from the first face to the second face in a second direction and is emitted from a second emission spot on the second face. The LO light travels from the first face to the second face in the first direction and is emitted from a LO light emission spot which is located between the first emission spot and the second emission spot.
7
US2021083301A1
METAL POROUS BODY, METHOD OF PRODUCING THE SAME, AND FUEL CELL
Publication/Patent Number: US2021083301A1 Publication Date: 2021-03-18 Application Number: 16/971,786 Filing Date: 2019-01-09 Inventor: Hiraiwa, Chihiro   Majima, Masatoshi   Higashino, Takahiro   Mizuhara, Naho   Tawarayama, Hiromasa   Assignee: Sumitomo electric industries ltd   IPC: H01M8/0232 Abstract: A metal porous body having a frame of a three-dimensional network structure, the frame being formed of a plurality of bone members connected to each other, the plurality of bone members defining openings in a surface of the metal porous body, the plurality of bone members defining voids inside the metal porous body, the openings and the voids communicating with each other, a porosity being from 1 volume % to 55 volume %, a density being from 3 g/cm3 to 10 g/cm3.
8
US10917808B2
Extra-vehicular communication device, onboard device, onboard communication system, communication control method, and communication control program
Publication/Patent Number: US10917808B2 Publication Date: 2021-02-09 Application Number: 16/906,590 Filing Date: 2020-06-19 Inventor: Nagamura, Yoshihisa   Assignee: Sumitomo electric industries ltd   IPC: H04W28/02 Abstract: Provided is an extra-vehicular communication device, installed on a vehicle, including: a reception unit configured to receive data from an external device located outside the vehicle; a position acquisition unit configured to create, based on the data received by the reception unit, transmission source position information indicating a position of a transmission source of the data; a correspondence information acquisition unit configured to acquire correspondence information that indicates a correspondence relationship between peripheral position information indicating a position of a peripheral area around the vehicle, and a priority level; a setting unit configured to set a priority level for the data, on the basis of the transmission source position information created by the position acquisition unit and the correspondence information acquired by the correspondence information acquisition unit; and a processing unit configured to process the data in accordance with the priority level set by the setting unit.
9
US2021054529A1
SILICON CARBIDE SINGLE CRYSTAL SUBSTRATE
Publication/Patent Number: US2021054529A1 Publication Date: 2021-02-25 Application Number: 16/074,143 Filing Date: 2017-01-30 Inventor: Okita, Kyoko   Sakurada, Takashi   Takasuka, Eiryo   Ueta, Shunsaku   Sasaki, Sho   Kaji, Naoki   Mishima, Hidehiko   Eguchi, Hirokazu   Assignee: Sumitomo electric industries ltd   IPC: C30B29/36 Abstract: In a case where a detector is positioned in a [11-20] direction, and where a first measurement region including a center of a main surface is irradiated with an X ray in a direction within ±15° relative to a [−1-120] direction, a ratio of a maximum intensity of a first intensity profile is more than or equal to 1500. In a case where the detector is positioned in a direction parallel to a [−1100] direction, and where the first measurement region is irradiated with an X ray in a direction within ±6° relative to a [1-100] direction, a ratio of a maximum intensity of a second intensity profile is more than or equal to 1500. An absolute value of a difference between maximum value and minimum value of energy at which the first intensity profile indicates a maximum value is less than or equal to 0.06 keV.
10
EP3769877A1
SURFACE-COATED CUTTING TOOL
Publication/Patent Number: EP3769877A1 Publication Date: 2021-01-27 Application Number: 19771216.9 Filing Date: 2019-03-14 Inventor: Koike, Sachiko   Ueda, Yuki   Tsuda, Keiichi   Assignee: Sumitomo electric industries ltd   IPC: B23B27/14 Abstract: A surface-coated cutting tool includes a substrate and a coating film that coats the substrate, wherein the coating film includes a WC1-x layer composed of a compound represented by WC1-x, where x is more than or equal to 0.54 and less than or equal to 0.58, the compound represented by WC1-x includes a hexagonal crystal structure, and a maximum point of a peak exists in a range of 31.2 to 31.4 eV in a spectrum diagram of a 4f orbital of a tungsten element obtained when measuring the WC1-x layer by an X-ray photoelectron spectroscopy analysis method.
11
US2021010131A1
METHOD OF MANUFACTURING DIAMOND SUBSTRATE, DIAMOND SUBSTRATE, AND DIAMOND COMPOSITE SUBSTRATE
Publication/Patent Number: US2021010131A1 Publication Date: 2021-01-14 Application Number: 17/032,022 Filing Date: 2020-09-25 Inventor: Okahisa, Takuji   Yamamoto, Yoshiyuki   Nishibayashi, Yoshiki   Tatsumi, Natsuo   Assignee: Sumitomo electric industries ltd   IPC: C23C16/01 Abstract: A method of manufacturing a diamond substrate includes: forming an ion implantation layer at a side of a main surface of a diamond seed substrate by implanting ions into the main surface of the diamond seed substrate; producing a diamond structure by growing a diamond growth layer by a vapor phase synthesis method on the main surface of the diamond seed substrate, after implanting the ions; and performing heat treatment on the diamond structure. The performed heat treatment causes the diamond structure to be separated along the ion implantation layer into a first structure including the diamond seed substrate and failing to include the diamond growth layer, and a diamond substrate including the diamond growth layer. Thus, the method of manufacturing a diamond substrate is provided that enables a diamond substrate with a large area to be manufactured in a short time and at a low cost.
12
EP3573161B1
BIPOLAR PLATE, CELL FRAME, CELL STACK, AND REDOX FLOW CELL
Publication/Patent Number: EP3573161B1 Publication Date: 2021-04-21 Application Number: 17794206.7 Filing Date: 2017-01-18 Inventor: Yamaguchi, Hideyuki   Motoi, Kenji   Assignee: Sumitomo electric industries ltd   IPC: H01M8/18
13
US11001938B2
Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamond
Publication/Patent Number: US11001938B2 Publication Date: 2021-05-11 Application Number: 15/502,947 Filing Date: 2015-08-10 Inventor: Nishibayashi, Yoshiki   Tatsumi, Natsuo   Sumiya, Hitoshi   Assignee: Sumitomo electric industries ltd   IPC: C30B25/18 Abstract: Provided are a diamond composite body capable of shortening a separation time for separating a substrate and a diamond layer, the substrate, and a method for manufacturing a diamond, as well as a diamond obtained from the diamond composite body and a tool including the diamond. The diamond composite body includes a substrate including a diamond seed crystal and having grooves in a main surface, a diamond layer formed on the main surface of the substrate, and a non-diamond layer formed on a substrate side at a constant depth from an interface between the substrate and the diamond layer.
14
USD920537S1
Sample holder
Publication/Patent Number: USD920537S1 Publication Date: 2021-05-25 Application Number: 29/684,843 Filing Date: 2019-03-25 Inventor: Motomura, Asako   Kimura, Akinori   Sugiyama, Yoko   Suganuma, Hiroshi   Assignee: Sumitomo electric industries ltd   IPC:
15
US11024705B2
Semi-insulating gallium arsenide crystal substrate
Publication/Patent Number: US11024705B2 Publication Date: 2021-06-01 Application Number: 16/607,211 Filing Date: 2017-09-21 Inventor: Kawamoto, Shinya   Kiyama, Makoto   Ishikawa, Yukio   Hashio, Katsushi   Assignee: Sumitomo electric industries ltd   IPC: H01L29/04 Abstract: A semi-insulating gallium arsenide crystal substrate has a main surface with a plane orientation of (100) and a diameter of 2R mm, the main surface having a specific resistance with an average value of 5×107 Ω·cm or more and with a standard deviation divided by the average value of the specific resistance, or with a coefficient of variation, of 0.50 or less in each of three measurement areas having their centers at distances of 0 mm, 0.5R mm, and (R-17) mm, respectively, from the center of the main surface in the [010] direction.
16
US10894744B2
Oxide sintered material and method for manufacturing the same, sputtering target, and method for manufacturing semiconductor device
Publication/Patent Number: US10894744B2 Publication Date: 2021-01-19 Application Number: 16/347,152 Filing Date: 2017-06-26 Inventor: Miyanaga, Miki   Watatani, Kenichi   Awata, Hideaki   Tokuda, Kazuya   Tominaga, Aiko   Assignee: Sumitomo electric industries ltd   IPC: C04B35/01 Abstract: Provided are: an oxide sintered material including an In2O3 crystal phase, a Zn4In2O7 crystal phase and a ZnWO4 crystal phase, wherein the roundness of crystal particles composed of the ZnWO4 crystal phase is 0.01 or more and less than 0.7; a method for producing the oxide sintered material; and a method for manufacturing a semiconductor device including an oxide semiconductor film that is formed by using the oxide sintered material as a sputter target.
17
USD910538S1
Casing for a concentrator photovoltaic module
Publication/Patent Number: USD910538S1 Publication Date: 2021-02-16 Application Number: 29/664,072 Filing Date: 2018-09-21 Inventor: Saito, Kenji   Inagaki, Makoto   Imai, Ryusuke   Nagai, Youichi   Toya, Kazumasa   Assignee: Sumitomo electric industries ltd   IPC:
18
US2021074568A1
WAFER HOLDING BODY
Publication/Patent Number: US2021074568A1 Publication Date: 2021-03-11 Application Number: 16/952,092 Filing Date: 2020-11-19 Inventor: Kimura, Koichi   Sakita, Shigenobu   Shinma, Kenji   Shimao, Daisuke   Itakura, Katsuhiro   Natsuhara, Masuhiro   Mikumo, Akira   Assignee: Sumitomo electric industries ltd   IPC: H01L21/683 Abstract: A wafer holding unit includes a disk-shaped ceramic substrate having a wafer mounting surface on an upper surface of the substrate, an RF electrode, for example, embedded within the substrate, a metal terminal inserted from a lower surface of the substrate, and a connecting terminal which electrically connects the RF electrode and the metal terminal with each other. The connecting terminal is constituted by a ceramic member and a metal layer. The ceramic member is made of the same material as the substrate and preferably has a truncated conical shape. The metal layer covers a surface of the ceramic member. An upper end of the metal layer is connected to the RF electrode, while a lower end of the metal layer is connected to the metal terminal with a metal member interposed therebetween.
19
US10950879B2
Redox flow battery
Publication/Patent Number: US10950879B2 Publication Date: 2021-03-16 Application Number: 16/067,190 Filing Date: 2017-11-02 Inventor: Ikeuchi, Atsuo   Hayashi, Kiyoaki   Assignee: Sumitomo electric industries ltd   IPC: H01M8/04186 Abstract: A redox flow battery includes a positive electrolyte tank container which houses a positive electrolyte tank for storing a positive electrolyte; a negative electrolyte tank container which houses a negative electrolyte tank for storing a negative electrolyte; and a battery container which houses a battery cell including a positive electrode, a negative electrode, and a membrane, a positive electrolyte circulation mechanism configured to supply and circulate the positive electrolyte to the battery cell, and a negative electrolyte circulation mechanism configured to supply and circulate the negative electrolyte to the battery cell.
20
US11004941B2
Silicon carbide epitaxial substrate having grooves extending along main surface and method of manufacturing silicon carbide semiconductor device
Publication/Patent Number: US11004941B2 Publication Date: 2021-05-11 Application Number: 16/986,402 Filing Date: 2020-08-06 Inventor: Wada, Keiji   Itoh, Hironori   Nishiguchi, Taro   Assignee: Sumitomo electric industries ltd   IPC: H01L29/16 Abstract: A silicon carbide epitaxial substrate has a silicon carbide single-crystal substrate and a silicon carbide layer. An average value of carrier concentration in the silicon carbide layer is not less than 1×1015 cm−3 and not more than 5×1016 cm−3. In-plane uniformity of the carrier concentration is not more than 2%. The second main surface has: a groove 80 extending in one direction along the second main surface, a width of the groove in the one direction being twice or more as large as a width thereof in a direction perpendicular to the one direction, and a maximum depth of the groove from the second main surface being not more than 10 nm; and a carrot defect. A value obtained by dividing a number of the carrot defects by a number of the grooves is not more than 1/500.
Total 500 pages