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).

  • Publication number: 20240136477
    Abstract: 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: Application
    Filed: December 31, 2023
    Publication date: April 25, 2024
    Applicant: NICHIA CORPORATION
    Inventors: Takuya NAKABAYASHI, Tomokazu MARUYAMA, Tetsuya ISHIKAWA
  • Publication number: 20240117490
    Abstract: 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: Application
    Filed: October 7, 2022
    Publication date: April 11, 2024
    Inventors: Amir H. TAVAKOLI, Ala MORADIAN, Tetsuya ISHIKAWA
  • Publication number: 20240117489
    Abstract: 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: Application
    Filed: October 6, 2022
    Publication date: April 11, 2024
    Inventors: Amir H. TAVAKOLI, Ala MORADIAN, Tetsuya ISHIKAWA
  • Patent number: 11948925
    Abstract: 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: Grant
    Filed: October 4, 2022
    Date of Patent: April 2, 2024
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Nakabayashi, Tadaaki Ikeda, Tetsuya Ishikawa
  • Publication number: 20240092439
    Abstract: 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: Application
    Filed: August 14, 2020
    Publication date: March 21, 2024
    Inventors: Hirofumi Shin, Tetsuya Ishikawa, Takumi Kamioka
  • Publication number: 20240072200
    Abstract: 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: Application
    Filed: August 18, 2023
    Publication date: February 29, 2024
    Applicant: NICHIA CORPORATION
    Inventors: Tetsuya ISHIKAWA, Gensui TAMURA
  • Patent number: 11912796
    Abstract: 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: Grant
    Filed: January 25, 2019
    Date of Patent: February 27, 2024
    Assignee: TOHO TITANIUM CO., LTD.
    Inventors: Toshiya Uozumi, Tetsuya Morioka, Keiichi Kurosaki, Teppei Ishikawa
  • Publication number: 20240035160
    Abstract: 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: Application
    Filed: July 27, 2022
    Publication date: February 1, 2024
    Inventors: Tetsuya ISHIKAWA, Ala MORADIAN, Karthikeyan BALARAMAN, Shashikanth CHENNAKESHAVA
  • Publication number: 20240038955
    Abstract: 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: Application
    Filed: July 24, 2023
    Publication date: February 1, 2024
    Applicant: NICHIA CORPORATION
    Inventor: Tetsuya ISHIKAWA
  • Patent number: 11885764
    Abstract: 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: Grant
    Filed: June 22, 2021
    Date of Patent: January 30, 2024
    Assignee: NGK INSULATORS, LTD.
    Inventors: Yusuke Watanabe, Tetsuya Ishikawa
  • Publication number: 20230352322
    Abstract: 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: Application
    Filed: April 29, 2022
    Publication date: November 2, 2023
    Inventors: Tetsuya Ishikawa, Ala Moradian, Manjunath Subbanna, Kim Vellore, Matthew Miller, Michael Rice
  • Publication number: 20230352458
    Abstract: 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: Application
    Filed: April 12, 2023
    Publication date: November 2, 2023
    Applicant: NICHIA CORPORATION
    Inventors: Tetsuya ISHIKAWA, Yuta OKA
  • Publication number: 20230279929
    Abstract: 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: Application
    Filed: March 2, 2023
    Publication date: September 7, 2023
    Applicant: Honda Motor Co., Ltd.
    Inventor: Tetsuya ISHIKAWA
  • Publication number: 20230238490
    Abstract: 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: Application
    Filed: April 4, 2023
    Publication date: July 27, 2023
    Applicant: NICHIA CORPORATION
    Inventors: Takuya NAKABAYASHI, Tomokazu MARUYAMA, Tetsuya ISHIKAWA
  • Patent number: 11664356
    Abstract: 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: Grant
    Filed: March 22, 2021
    Date of Patent: May 30, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Tadaaki Ikeda, Yuki Kageyama, Tetsuya Ishikawa, Toshifumi Imura
  • Patent number: 11652192
    Abstract: 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: Grant
    Filed: February 19, 2021
    Date of Patent: May 16, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Nakabayashi, Tomokazu Maruyama, Tetsuya Ishikawa
  • Publication number: 20230027533
    Abstract: 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: Application
    Filed: October 4, 2022
    Publication date: January 26, 2023
    Applicant: NICHIA CORPORATION
    Inventors: Takuya NAKABAYASHI, Tadaaki IKEDA, Tetsuya ISHIKAWA
  • Publication number: 20220401292
    Abstract: 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: Application
    Filed: July 20, 2020
    Publication date: December 22, 2022
    Applicant: DAITO ELECTRIC MACHINE INDUSTRY COMPANY LIMITED
    Inventors: Tetsuya ISHIKAWA, Shinsaku SHIMIZU
  • Publication number: 20220364229
    Abstract: 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: Application
    Filed: May 11, 2021
    Publication date: November 17, 2022
    Inventors: 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
  • Patent number: D1016264
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: February 27, 2024
    Assignee: TOSHIBA CARRIER CORPORATION
    Inventors: Tetsuya Ishikawa, Masao Isshiki