Patents by Inventor Tetsuya Ishikawa
Tetsuya Ishikawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240136477Abstract: A light-emitting device includes a substrate comprising a base member, a first wiring, a second wiring, and a via hole; at least one light-emitting element electrically connected to and disposed on the first wiring; and a covering member having light reflectivity and covering a lateral surface of the light-emitting element and a front surface of the substrate. The base member defines a plurality of depressed portions separated from the via hole in a front view and opening on a back surface and a bottom surface of the base member. The substrate includes a third wiring covering at least one of inner walls of the plurality of depressed portions and electrically connected to the second wiring. A depth of each of the plurality of depressed portions defined from the back surface toward the front surface is larger on a bottom surface side than on an upper surface side of the base member.Type: ApplicationFiled: December 31, 2023Publication date: April 25, 2024Applicant: NICHIA CORPORATIONInventors: Takuya NAKABAYASHI, Tomokazu MARUYAMA, Tetsuya ISHIKAWA
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Publication number: 20240117490Abstract: A coating on a processing chamber component includes a metallic bond layer deposited on a surface of the component. A thermal barrier layer is deposited on the bond layer. A substantially non-porous ceramic sealing layer is deposited on the thermal barrier layer. The sealing layer substantially conforms to irregularities of the surface of the thermal barrier layer. A chemistry of the sealing layer is selected for resistance to attack from halogen-containing chemicals.Type: ApplicationFiled: October 7, 2022Publication date: April 11, 2024Inventors: Amir H. TAVAKOLI, Ala MORADIAN, Tetsuya ISHIKAWA
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Publication number: 20240117489Abstract: A coating on a processing chamber component includes a metallic bond layer deposited on a surface of the component. A thermal barrier layer is deposited on the bond layer. A substantially non-porous ceramic sealing layer is deposited on the thermal barrier layer. The sealing layer substantially conforms to irregularities of the surface of the thermal barrier layer. A chemistry of the sealing layer is selected for resistance to attack from halogen-containing chemicals.Type: ApplicationFiled: October 6, 2022Publication date: April 11, 2024Inventors: Amir H. TAVAKOLI, Ala MORADIAN, Tetsuya ISHIKAWA
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Patent number: 11948925Abstract: A light emitting device includes a substrate including first, second, third and fourth wiring portions on a top surface of a base member and arrayed in a first direction, and a connection wiring portion connecting the second and third wiring portions. The connection wiring portion includes first and second connection ends respectively connected with the second and third wiring portions, and a connection central portion connecting the first and second connection ends and having a maximum width in a second direction different from each of a maximum width of the first connection end and a maximum width of the second connection end. In the second direction, at least a part of the connection wiring portion has a width narrower than each of a maximum width of the second wiring portion and a maximum width of the third wiring portion.Type: GrantFiled: October 4, 2022Date of Patent: April 2, 2024Assignee: NICHIA CORPORATIONInventors: Takuya Nakabayashi, Tadaaki Ikeda, Tetsuya Ishikawa
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Publication number: 20240092439Abstract: A structure of the present invention has a plurality of links (L) which link a lumbar side connection part (S) and a grounding part (E), and passive joints (M) which link the links (L) to each other, in which a second Jacobian matrix Jp in a coordinate system obtained by rotating a coordinate system of a first Jacobian matrix J which associates a displacement vector ?p of the grounding part (E) with a micro displacement vector ?? of each of the passive joints (M) at an angle ?p satisfies following Formula (1) or Formula (2) using spring constants k1 and k2 and constants C2 and C4 of a spring which controls the micro displacement ?? of two passive joints (M). [ Math .Type: ApplicationFiled: August 14, 2020Publication date: March 21, 2024Inventors: Hirofumi Shin, Tetsuya Ishikawa, Takumi Kamioka
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Publication number: 20240072200Abstract: A method of manufacturing a light-emitting device includes: preparing a light source, which includes: (a) preparing a structure including: a support substrate having a first upper face and including, on the first upper face, a plurality of first terminal parts disposed in the light-emitting part arrangement region, and one or more first wire-connection parts, and a plurality of light-emitting parts disposed in the light-emitting part arrangement region and electrically connected to the first terminal parts, each of the plurality of light-emitting parts having an emission face, (b) disposing a resin member on the first upper face between the light-emitting part arrangement region and the one or more first wire-connection parts in a top view, and (c) disposing a light-shielding member in contact with the resin member while the first wire-connection parts and the emission faces of the light-emitting parts are exposed from the light-shielding member in the top view.Type: ApplicationFiled: August 18, 2023Publication date: February 29, 2024Applicant: NICHIA CORPORATIONInventors: Tetsuya ISHIKAWA, Gensui TAMURA
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Patent number: 11912796Abstract: Provided is a novel olefin polymer which is excellent in lightness and moldability, has high rigidity and yields molded products excellent in flexural elasticity. The olefin polymer includes a propylene initial polymerization product formed in the presence of an olefin polymerization catalyst which is a contact reaction product of an olefin polymerization solid catalyst component containing a titanium atom, a magnesium atom, a halogen atom and an internal electron donating compound, at least one organoaluminum compound selected from the compounds of the general formula (I), and a first external electron donating compound; and a polypropylene part formed of a propylene polymerization product formed in the presence of the olefin polymerization catalyst and a second external electron donating compound higher in adsorption to the surface of the olefin polymerization solid catalyst component than the first external electron donating compound.Type: GrantFiled: January 25, 2019Date of Patent: February 27, 2024Assignee: TOHO TITANIUM CO., LTD.Inventors: Toshiya Uozumi, Tetsuya Morioka, Keiichi Kurosaki, Teppei Ishikawa
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Publication number: 20240035160Abstract: An apparatus for rotating a substrate within a deposition chamber is described. The substrate is rotated using a substrate support assembly with a shaft and a susceptor coupled to a top of the shaft. The susceptor and the shaft are coupled together using a cogged feature. The cogged feature includes a plurality of teeth or projections on a coupling portion of the shaft which interlock with an indent disposed on the bottom of the susceptor. A lift pin assembly is further coupled to the shaft and configured to raise and lower a substrate from the susceptor.Type: ApplicationFiled: July 27, 2022Publication date: February 1, 2024Inventors: Tetsuya ISHIKAWA, Ala MORADIAN, Karthikeyan BALARAMAN, Shashikanth CHENNAKESHAVA
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Publication number: 20240038955Abstract: A manufacturing method of a light-emitting device includes: providing a light source comprising: a plurality of light-emitting units, a support substrate comprising, on a first upper surface: a plurality of first terminal portions electrically connected with respective ones of the light-emitting units, each comprising a plurality of terminals, and one or more first wire-connecting portions, and a light-reflective member covering the plurality of light-emitting units and comprising a recess in which one or more first wire-connecting portions are exposed from the light-reflective member; providing a control unit comprising, on a second upper surface: a first region where the light source is to be disposed, and one or more second wire-connecting portions disposed in a second region other than the first region; disposing the light source in the first region; and connecting the first and second wire-connecting portions with a first wire.Type: ApplicationFiled: July 24, 2023Publication date: February 1, 2024Applicant: NICHIA CORPORATIONInventor: Tetsuya ISHIKAWA
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Patent number: 11885764Abstract: A gas sensor according to the present application includes a detecting device that detects a specific gas concentration of a measurement-object gas based on an electromotive force generated between a reference electrode and a measurement electrode; and a reference gas regulating device that flows an oxygen pumping current between the reference electrode and a measurement-object gas side electrode and pumps oxygen from around the measurement-object gas side electrode to around the reference electrode, wherein when the average value of the oxygen pumping current is P and the limiting current value of a reference gas introduction layer when oxygen is pumped from around the reference electrode to around the measurement-object gas side electrode is Q, the ratio Q/P is from 0.8 to 10.Type: GrantFiled: June 22, 2021Date of Patent: January 30, 2024Assignee: NGK INSULATORS, LTD.Inventors: Yusuke Watanabe, Tetsuya Ishikawa
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Publication number: 20230352322Abstract: Embodiments disclosed herein include a lamp module for a semiconductor processing chamber. In an embodiment, the lamp module plate comprises a back plate, a first ring that extends from the back plate, a second ring that extends from the back plate, and a third ring that extends from the back plate. In an embodiment, the lamp module further comprises a first plurality of lamps between the first ring and the second ring, a second plurality of lamps between the second ring and the third ring, and a third plurality of lamps configured to emit infrared radiation that propagates into the third ring.Type: ApplicationFiled: April 29, 2022Publication date: November 2, 2023Inventors: Tetsuya Ishikawa, Ala Moradian, Manjunath Subbanna, Kim Vellore, Matthew Miller, Michael Rice
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Publication number: 20230352458Abstract: A light-emitting device includes: a light source including: a first light source part including one or more first light-emitting elements, and a second light source part located outward of the first light source part so as to surround the first light source part in a top view, the second light source part including a plurality of second light-emitting elements; one or more first light-transmitting layers located above the first light source part; one or more second light-transmitting layers located above the second light source part; and a light-reflective member located between the plurality of second light-emitting elements. A first of the one or more second light-transmitting layers overlaps adjacent second light-emitting elements among the plurality of second light-emitting elements and the light-reflective member disposed between the adjacent second light-emitting elements in a top view.Type: ApplicationFiled: April 12, 2023Publication date: November 2, 2023Applicant: NICHIA CORPORATIONInventors: Tetsuya ISHIKAWA, Yuta OKA
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Publication number: 20230279929Abstract: A power transmission device is provided including: a base, provided with a pair of left and right drive pulleys; an intermediate member, rotatably supported by the base about a first axis; and a driven member, rotatably supported by the intermediate member about a second axis. A pair of left wires wound in opposite directions are fixed to the left drive pulley and the driven member. A pair of right wires wound in opposite directions to each other are fixed to the right drive pulley and the driven member. By the drive pulleys, when the driven member is rotated in the same direction about the second axis, torque in opposite directions about the first axis is applied to the driven member, and when the driven member is rotated in opposite directions about the second axis, torque in the same direction about the first axis is applied to the driven member.Type: ApplicationFiled: March 2, 2023Publication date: September 7, 2023Applicant: Honda Motor Co., Ltd.Inventor: Tetsuya ISHIKAWA
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Publication number: 20230238490Abstract: A light-emitting device includes a substrate comprising a base member, a first wiring, a second wiring, and a via hole; at least one light-emitting element electrically connected to and disposed on the first wiring; and a covering member having light reflectivity and covering a lateral surface of the light-emitting element and a front surface of the substrate. The base member defines a plurality of depressed portions separated from the via hole in a front view and opening on a back surface and a bottom surface of the base member. The substrate includes a third wiring covering at least one of inner walls of the plurality of depressed portions and electrically connected to the second wiring. A depth of each of the plurality of depressed portions defined from the back surface toward the front surface is larger on a bottom surface side than on an upper surface side of the base member.Type: ApplicationFiled: April 4, 2023Publication date: July 27, 2023Applicant: NICHIA CORPORATIONInventors: Takuya NAKABAYASHI, Tomokazu MARUYAMA, Tetsuya ISHIKAWA
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Patent number: 11664356Abstract: A light emitting device includes light emitting elements, light-transmissive members, a covering member, at least one first protrusion, and two second protrusions. The light emitting elements are aligned in a first direction. The light-transmissive members are respectively disposed on upper surfaces of the light emitting elements. The covering member includes at least one first covering portion and two second covering portions. The at least one first covering portion is arranged between adjacent ones of the light-transmissive members, and the second covering portions are arranged at distal ends of the light emitting device in the first direction with the light-transmissive members being arranged between the second covering portions. The at least one first protrusion is arranged on an upper surface of the at least one first covering portion and being spaced apart from the light-transmissive members. The second protrusions respectively arranged on upper surfaces of the second covering portions.Type: GrantFiled: March 22, 2021Date of Patent: May 30, 2023Assignee: NICHIA CORPORATIONInventors: Tadaaki Ikeda, Yuki Kageyama, Tetsuya Ishikawa, Toshifumi Imura
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Patent number: 11652192Abstract: A light-emitting device includes a substrate comprising a base member, a first wiring, a second wiring, and a via hole; at least one light-emitting element electrically connected to and disposed on the first wiring; and a covering member having light reflectivity and covering a lateral surface of the light-emitting element and a front surface of the substrate. The base member defines a plurality of depressed portions separated from the via hole in a front view and opening on a back surface and a bottom surface of the base member. The substrate includes a third wiring covering at least one of inner walls of the plurality of depressed portions and electrically connected to the second wiring. A depth of each of the plurality of depressed portions defined from the back surface toward the front surface is larger on a bottom surface side than on an upper surface side of the base member.Type: GrantFiled: February 19, 2021Date of Patent: May 16, 2023Assignee: NICHIA CORPORATIONInventors: Takuya Nakabayashi, Tomokazu Maruyama, Tetsuya Ishikawa
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Publication number: 20230027533Abstract: A light emitting device includes a substrate including first, second, third and fourth wiring portions on a top surface of a base member and arrayed in a first direction, and a connection wiring portion connecting the second and third wiring portions. The connection wiring portion includes first and second connection ends respectively connected with the second and third wiring portions, and a connection central portion connecting the first and second connection ends and having a maximum width in a second direction different from each of a maximum width of the first connection end and a maximum width of the second connection end. In the second direction, at least a part of the connection wiring portion has a width narrower than each of a maximum width of the second wiring portion and a maximum width of the third wiring portion.Type: ApplicationFiled: October 4, 2022Publication date: January 26, 2023Applicant: NICHIA CORPORATIONInventors: Takuya NAKABAYASHI, Tadaaki IKEDA, Tetsuya ISHIKAWA
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Publication number: 20220401292Abstract: A leg massager achieves easy changing of massaging positions and is also adaptable to user's legs of varying lengths by using a position-adjustable massaging system for performing massage on massage target areas of a user's legs. The leg massager includes a lower massaging system for massaging a massage target area of the user's leg including at least the user's foot; an upper massaging system for massaging an upper massage target area located above the massage target area which is massaged by the lower massaging system; a rockably supporting system that supports the upper massaging system for rocking motion about a horizontal-pointing axis in a front-rear direction; and a vertically moving system that permits up-and-down movement of the upper massaging system.Type: ApplicationFiled: July 20, 2020Publication date: December 22, 2022Applicant: DAITO ELECTRIC MACHINE INDUSTRY COMPANY LIMITEDInventors: Tetsuya ISHIKAWA, Shinsaku SHIMIZU
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Publication number: 20220364229Abstract: Embodiments described herein include processes and apparatuses relate to epitaxial deposition. A method for epitaxially depositing a material is provided and includes positioning a substrate on a substrate support surface of a susceptor within a process volume of a chamber body, where the process volume contains upper and lower chamber regions. The method includes flowing a process gas containing one or more chemical precursors from an upper gas inlet on a first side of the chamber body, across the substrate, and to an upper gas outlet on a second side of the chamber body, flowing a purge gas from a lower gas inlet on the first side of the chamber body, across the lower surface of the susceptor, and to a lower gas outlet on the second side of the chamber body, and maintaining a pressure of the lower chamber region greater than a pressure of the upper chamber region.Type: ApplicationFiled: May 11, 2021Publication date: November 17, 2022Inventors: Tetsuya ISHIKAWA, Swaminathan T. SRINIVASAN, Matthias BAUER, Manjunath SUBBANNA, Ala MORADIAN, Kartik Bhupendra SHAH, Errol Antonio C SANCHEZ, Michael R. RICE, Peter REIMER, Marc SHULL
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Patent number: D1016264Type: GrantFiled: January 27, 2020Date of Patent: February 27, 2024Assignee: TOSHIBA CARRIER CORPORATIONInventors: Tetsuya Ishikawa, Masao Isshiki