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: 20220364231
    Abstract: The present disclosure generally relates to gas inject apparatus for a process chamber for processing of semiconductor substrates. The gas inject apparatus include one or more gas injectors which are configured to be coupled to the process chamber. Each of the gas injectors are configured to receive a process gas and distribute the process gas across one or more gas outlets. The gas injectors include a plurality of pathways, a fin array, and a baffle array. The gas injectors are individually heated. A gas mixture assembly is also utilized to control the concentration of process gases flown into a process volume from each of the gas injectors. The gas mixture assembly enables the concentration as well as the flow rate of the process gases to be controlled.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 17, 2022
    Inventors: Tetsuya ISHIKAWA, Swaminathan T. SRINIVASAN, Matthias BAUER, Ala MORADIAN, Manjunath SUBBANNA, Kartik Bhupendra SHAH, Errol Antonio C. SANCHEZ, Sohrab ZOKAEI, Michael R. RICE, Peter REIMER
  • Publication number: 20220364261
    Abstract: The present disclosure generally relates to a process chamber for processing of semiconductor substrates. The process chamber includes an upper lamp assembly, a lower lamp assembly, a substrate support, an upper window disposed between the substrate support and the upper lamp assembly, a lower window disposed between the lower lamp assembly and the substrate support, an inject ring, and a base ring. Each of the upper lamp assembly and the lower lamp assembly include vertically oriented lamp apertures for the placement of heating lamps therein. The inject ring includes gas injectors disposed therethrough and the base ring includes a substrate transfer passage, a lower chamber exhaust passage, and one or more upper chamber exhaust passages. The gas injectors are disposed over the substrate transfer passage and across from the lower chamber exhaust passage and the one or more upper chamber exhaust passages.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 17, 2022
    Inventors: Tetsuya ISHIKAWA, Swaminathan T. SRINIVASAN, Kartik Bhupendra SHAH, Ala MORADIAN, Manjunath SUBBANNA, Matthias BAUER, Peter REIMER, Michael R. RICE
  • Publication number: 20220367216
    Abstract: The present disclosure generally relates to an epitaxial chamber for processing of semiconductor substrates. In one example, the epitaxial chamber has a chamber body assembly. The chamber body assembly includes a lower window and an upper window, wherein chamber body assembly, the lower window and the upper window enclose an internal volume. A susceptor assembly is disposed in the internal volume. The epitaxial chamber also has a plurality of temperature control elements. The plurality of temperature control elements include one or more of an upper lamp module, a lower lamp module, an upper heater, a lower heater, or a heated gas passage.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 17, 2022
    Inventors: Tetsuya ISHIKAWA, Swaminathan T. SRINIVASAN, Matthias BAUER, Ala MORADIAN, Manjunath SUBBANNA, Kartik Bhupendra SHAH, Kostiantyn ACHKASOV, Errol Antonio C. SANCHEZ, Michael R. RICE, Marc SHULL, Ji-Dih HU
  • Patent number: 11500330
    Abstract: Provided is an image forming apparatus including an image carrier, an exposure device, a developing device that supplies a developer to form a toner image, and a hardware processor that controls the image carrier, the exposure device, and the developing device. The image forming apparatus further includes a fume prevention plate that covers a part of an internal space of the developing device where the developing roller is disposed and the developer is stored and that prevents the developer from scattering outside from the internal space, a suction duct, and an air suction device. One end of the suction duct is connected to the internal space and another end of the suction duct is connected to the air suction device. The fume prevention plate includes a movable portion. A position of the movable portion can be changed between a first position and a second position different from the first position.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: November 15, 2022
    Assignee: KONICA MINOLTA, INC.
    Inventors: Shota Sakurai, Kei Yuasa, Takenobu Kimura, Tetsuya Ishikawa
  • Patent number: 11495587
    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: September 26, 2019
    Date of Patent: November 8, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Nakabayashi, Tadaaki Ikeda, Tetsuya Ishikawa
  • Patent number: 11460794
    Abstract: An image recording apparatus includes a stacking portion on which a recording medium is stacked; a recording portion for recording an image on the recording medium; a heating portion for heating the recording medium recorded by the recording portion; a discharge portion for discharging the recording medium recorded by the recording portion; a first path for conveying the recording medium in order of the stacking portion, the recording portion, the heating portion, and the discharge portion; a second path branching off from the first path between the recording portion and the heating portion, and merging with the first path downstream of the heating portion; and a third path for connecting the second path and a part of the first path between the stacking portion and the recording portion, and inverting a recording surface of the recording medium.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: October 4, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yumi Mukoyama, Tetsuya Ishikawa, Tsuyoshi Saeki, Yoshiyuki Kurita, Takashi Abe
  • Patent number: 11415914
    Abstract: An image recording apparatus includes a first path for conveying a recording medium in order of a stacking portion on which the recording medium is stacked, a recording portion for recording an image on the recording medium, a heating portion for heating the image, and a discharge portion for discharging the recording medium; a second path branching off from the first path at a first branch part between the recording portion and the heating portion, and for discharging the recording medium to the discharge portion without passing through the heating portion; and a third path branching off from the first path at a second branch part between the recording portion and the first branch part, and for conveying the recording medium, the recording surface of which is inverted, toward a location between the stacking portion and the recording portion in the first path.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: August 16, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Saeki, Tetsuya Ishikawa, Yoshiyuki Kurita, Takashi Abe, Yumi Mukoyama
  • Patent number: 11411144
    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: September 16, 2020
    Date of Patent: August 9, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Nakabayashi, Tomokazu Maruyama, Tetsuya Ishikawa
  • Publication number: 20220214383
    Abstract: A current measurement device includes: four or more triaxial magnetic sensors arranged to have predefined positional relationships such that magnetism-sensing directions thereof are parallel to each other; and a calculator configured to calculate currents flowing through a pair of conductors to be measured, which are arranged in proximity to each other, based on detection results of the four or more triaxial magnetic sensors and the positional relationships between the four or more triaxial magnetic sensors, the currents flowing in mutually opposite directions.
    Type: Application
    Filed: May 11, 2020
    Publication date: July 7, 2022
    Inventors: Kazuma TAKENAKA, Tetsuya ISHIKAWA, Minako TERAO, Kotaro OGAWA, Saki KOBAKO, Naoki NOGUCHI
  • Patent number: 11360124
    Abstract: A current measuring device (1) includes two triaxial magnetic sensors (11, 12) that are arranged with a prescribed gap between the two triaxial magnetic sensors (11, 12) such that magnetic-sensing directions of the two triaxial magnetic sensors (11, 12) are parallel to each other, and a calculator configured to calculate a current (I) flowing in a measurement-object conductor (MC) based on detection results from the two triaxial magnetic sensors (11, 12) and a gap between the two triaxial magnetic sensors (11, 12).
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: June 14, 2022
    Assignee: Yokogawa Electric Corporation
    Inventors: Kazuma Takenaka, Tetsuya Ishikawa, Minako Terao, Kotaro Ogawa, Saki Kobako
  • Patent number: 11345132
    Abstract: An optical sheet of the present invention includes a specific wavelength absorption layer that contains a polycarbonate as a main material and a light absorbing agent that absorbs light of a specific wavelength out of light in a wavelength range of 350 nm to 740 nm, in which the polycarbonate has a viscosity average molecular weight Mv of 20,000 to 30,000. In addition, the specific wavelength absorption layer further includes an ultraviolet absorbing agent that absorbs light in a wavelength range of 100 nm to 420 nm.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: May 31, 2022
    Assignee: SUMITOMO BAKELITE CO., LTD.
    Inventors: Takuya Oyama, Tetsuya Ishikawa
  • Publication number: 20220121151
    Abstract: Provided is an image forming apparatus including an image carrier, an exposure device, a developing device that supplies a developer to form a toner image, and a hardware processor that controls the image carrier, the exposure device, and the developing device. The image forming apparatus further includes a fume prevention plate that covers a part of an internal space of the developing device where the developing roller is disposed and the developer is stored and that prevents the developer from scattering outside from the internal space, a suction duct, and an air suction device. One end of the suction duct is connected to the internal space and another end of the suction duct is connected to the air suction device. The fume prevention plate includes a movable portion. A position of the movable portion can be changed between a first position and a second position different from the first position.
    Type: Application
    Filed: October 18, 2021
    Publication date: April 21, 2022
    Inventors: Shota SAKURAI, Kei YUASA, Takenobu KIMURA, Tetsuya ISHIKAWA
  • Patent number: 11271210
    Abstract: A lithium battery cathode material comprises lithium transition metal-based material selected from lithium transition metal oxides and lithium transition metal phosphates, and crystalline silicon carbide residing at grain boundaries of the lithium transition metal-based material, forming conductive pathways along the grain boundaries, the crystalline silicon carbide being less than 10 wt. % of the cathode material.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: March 8, 2022
    Assignee: Apple Inc.
    Inventors: Mona Shirpour, Tetsuya Ishikawa, Sally S. Lou, Juchuan Li, Shawn William Snyder
  • Patent number: 11264542
    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: April 27, 2018
    Date of Patent: March 1, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Nakabayashi, Tomokazu Maruyama, Tetsuya Ishikawa
  • Patent number: 11227979
    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: April 27, 2018
    Date of Patent: January 18, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Nakabayashi, Tomokazu Maruyama, Tetsuya Ishikawa
  • Patent number: 11215584
    Abstract: A material defect detection device that detects a material defect in a predetermined region of metallic equipment using a magnetic field distribution in the predetermined region measured by a magnetic sensor array including a plurality of magnetic sensors, the material defect detection device including: a processor that calculates a density distribution of magnetic dipoles in the predetermined region based on the magnetic field distribution and calculates a depth distribution of material defect in the predetermined region based on the density distribution of the magnetic dipoles.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 4, 2022
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Tetsuya Ishikawa, Hideki Yoshida
  • Publication number: 20210379909
    Abstract: An image recording apparatus includes a recording portion that records an image on a recording medium, a heating portion that heats the recording medium on which recording has been performed by the recording portion, a discharge portion that discharges the recording medium on which recording has been performed by the recording portion, a first conveying path for conveying the recording medium from the recording portion to the discharge portion via the heating portion, and a second conveying path for conveying the recording medium from the recording portion to the discharge portion without passing through the heating portion. In a first section in which the heating portion is disposed on the first conveying path, the recording medium is guided in a direction substantially perpendicular to an installation face of the image recording apparatus. The second conveying path has a second section that is parallel to the first section.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 9, 2021
    Inventors: Takashi Abe, Tetsuya Ishikawa, Tsuyoshi Saeki, Yoshiyuki Kurita, Yumi Mukoyama
  • Publication number: 20210382420
    Abstract: An image recording apparatus includes: a first path for conveying a recording medium in order of a stacking portion on which the recording medium is stacked, a recording portion for recording an image on the recording medium, a heating portion for recording the image, and a discharge portion for discharging the recording medium; a second path branching off from the first path at a first branch part between the recording portion and the heating portion, and for discharging the recording medium to the discharge portion without passing through the heating portion; and a third path branching off from the first path at a second branch part between the recording portion and the first branch part, and for conveying the recording medium, the recording surface of which is inverted, toward between the stacking portion and the recording portion in the first path.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 9, 2021
    Inventors: Tsuyoshi Saeki, Tetsuya Ishikawa, Yoshiyuki Kurita, Takashi Abe, Yumi Mukoyama
  • Publication number: 20210382423
    Abstract: An image recording apparatus includes a stacking portion on which a recording medium is stacked; a recording portion for recording an image on the recording medium; a heating portion for heating the recording medium recorded by the recording portion; a discharge portion for discharging the recording medium recorded by the recording portion; a first path for conveying the recording medium in order of the stacking portion, the recording portion, the heating portion, and the discharge portion; a second path branching off from the first path between the recording portion and the heating portion, and merging with the first path downstream of the heating portion; and a third path for connecting the second path and a part of the first path between the stacking portion and the recording portion, and inverting a recording surface of the recording medium.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 9, 2021
    Inventors: Yumi Mukoyama, Tetsuya Ishikawa, Tsuyoshi Saeki, Yoshiyuki Kurita, Takashi Abe
  • Patent number: 11195977
    Abstract: A light emitting device includes a light emitting element including a first surface; a light guide member covering at least a part of a lateral surface of the light emitting element; a first wavelength conversion member covering the first surface and including a first wavelength conversion particles; and a reflective member being in contact with the light emitting element. The first wavelength conversion member has a thickness of 60 ?m or more and 120 ?m or less. The first wavelength conversion particles have an average particle size of 4 ?m or longer and 12 ?m or smaller; the first wavelength conversion particles have a central particle size of 4 ?m or longer and 12 ?m or smaller. A weight ratio of the first wavelength conversion particles is 60% by weight or more and 75% by weight or less with respect to the total weight of the first wavelength conversion member.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: December 7, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Nakabayashi, Tetsuya Ishikawa