Patents by Inventor Katsunari Matsumoto

Katsunari Matsumoto 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: 20200251459
    Abstract: A high-frequency module includes a mounting substrate having main surfaces 30a and 30b, a first circuit component mounted on the main surface 30a, a second circuit component mounted on the main surface 30b, an external connection terminal arranged on the main surface 30b side relative to the main surface 30a with respect to the mounting substrate, a long via conductor connected to the first circuit component, passing through the mounting substrate, and having a substantially long shape when the mounting substrate is viewed in a plan view, and a metal block arranged on the main surface 30b side relative to the main surface 30a with respect to the mounting substrate and connecting the long via conductor and the external connection terminal. When the mounting substrate is viewed in a plan view, the first circuit component overlaps the long via conductor and the metal block overlaps the long via conductor.
    Type: Application
    Filed: February 3, 2020
    Publication date: August 6, 2020
    Inventors: Motoji TSUDA, Takanori UEJIMA, Yuji TAKEMATSU, Katsunari NAKAZAWA, Masahide TAKEBE, Shou MATSUMOTO, Naoya MATSUMOTO, Yutaka SASAKI, Yuuki FUKUDA
  • Publication number: 20200051941
    Abstract: A high frequency module includes a transmission power amplifier, a bump electrode connected to a principal surface of the transmission power amplifier and having an elongated shape in a plan view of the principal surface, and a mounting board on which the transmission power amplifier is mounted, wherein the mounting board includes a via conductor having an elongated shape in the plan view, the length direction of the bump electrode and the length direction of the via conductor are aligned in the plan view, and the bump electrode and the via conductor are connected in an overlapping area where the bump electrode and the via conductor overlap at least partially in the plan view, and the overlapping area is an area elongated in the length direction.
    Type: Application
    Filed: July 15, 2019
    Publication date: February 13, 2020
    Inventors: Katsunari NAKAZAWA, Takanori UEJIMA, Motoji TSUDA, Yuji TAKEMATSU, Dai NAKAGAWA, Tetsuro HARADA, Masahide TAKEBE, Naoya MATSUMOTO, Yoshiaki SUKEMORI, Mitsunori SAMATA, Yutaka SASAKI, Yuki FUKUDA
  • Publication number: 20200051942
    Abstract: A radio-frequency module includes: a transmission power amplifier that includes first and second amplification transistors that are cascade connected to each other; and a mounting substrate that has first and second main surface that face each other, the transmission power amplifier being mounted on the first main surface. The first amplification transistor is arranged in a final stage and has a first emitter terminal. The second amplification transistor is arranged in a stage preceding the first amplification transistor and has a second emitter terminal. The mounting substrate has first to fourth ground electrode layers in order of proximity to the first main surface. The first emitter terminal and the second emitter terminal are not electrically connected to each other via an electrode on the first main surface and are not electrically connected to each other via the first ground electrode layer.
    Type: Application
    Filed: July 16, 2019
    Publication date: February 13, 2020
    Inventors: Katsunari NAKAZAWA, Takanori UEJIMA, Motoji TSUDA, Yuji TAKEMATSU, Dai NAKAGAWA, Tetsuro HARADA, Masahide TAKEBE, Naoya MATSUMOTO, Yoshiaki SUKEMORI, Mitsunori SAMATA, Yutaka SASAKI, Yuki FUKUDA
  • Publication number: 20200051943
    Abstract: A high frequency module includes a transmission power amplifier, a bump electrode connected to the transmission power amplifier, and a mounting board on which the transmission power amplifier is mounted, wherein the mounting board includes a via conductor having an elongated shape in the plan view of the mounting board, a board main part placed outside the via conductor, and an insulating part placed inside the via conductor, and the bump electrode and the via conductor are connected while at least partially overlapping each other in the foregoing plan view, and the board main part and the insulating part are each composed of an insulating material of the same kind.
    Type: Application
    Filed: August 7, 2019
    Publication date: February 13, 2020
    Inventors: Katsunari NAKAZAWA, Takanori UEJIMA, Motoji TSUDA, Yuji TAKEMATSU, Dai NAKAGAWA, Tetsuro HARADA, Masahide TAKEBE, Naoya MATSUMOTO, Yoshiaki SUKEMORI, Mitsunori SAMATA, Yutaka SASAKI, Yuuki FUKUDA
  • Publication number: 20190329277
    Abstract: A method for producing a vapor deposition mask capable of satisfying both enhancement in definition and reduction in weight even when a size increased, a method for producing a vapor deposition mask device capable of aligning the vapor deposition mask to a frame with high precision, and a method for producing an organic semiconductor element capable of producing an organic semiconductor element with high definition are provided. A metal mask provided with a slit, and a resin mask that is positioned on a front surface of the metal mask and has openings corresponding to a pattern to be produced by vapor deposition arranged by lengthwise and crosswise in a plurality of rows, are stacked.
    Type: Application
    Filed: July 9, 2019
    Publication date: October 31, 2019
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Yoshinori HIROBE, Yutaka MATSUMOTO, Masato USHIKUSA, Toshihiko TAKEDA, Hiroyuki NISHIMURA, Katsunari OBATA, Takashi TAKEKOSHI
  • Patent number: 10391511
    Abstract: A method for producing a vapor deposition mask capable of satisfying both enhancement in definition and reduction in weight even when a size increased, a method for producing a vapor deposition mask device capable of aligning the vapor deposition mask to a frame with high precision, and a method for producing an organic semiconductor element capable of producing an organic semiconductor element with high definition are provided. A metal mask provided with a slit, and a resin mask that is positioned on a front surface of the metal mask and has openings corresponding to a pattern to be produced by vapor deposition arranged by lengthwise and crosswise in a plurality of rows, are stacked.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: August 27, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Yoshinori Hirobe, Yutaka Matsumoto, Masato Ushikusa, Toshihiko Takeda, Hiroyuki Nishimura, Katsunari Obata, Takashi Takekoshi
  • Patent number: 9030062
    Abstract: A cooling structure of a rotating electric machine includes a rotor core formed of a plurality of electromagnetic steel plates and a resin molding portion molding the rotor core with resin. The rotor core is provided with a through hole passing therethrough in the axial direction of the central axis that is a rotation axis. The rotor core is provided inside the through hole with an oil passage through which oil circulates. The resin molding portion has a cover portion covering the outer peripheral side of the oil passage. This configuration can provide the cooling structure of the rotating electric machine that achieves efficient cooling while suppressing occurrence of energy loss.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: May 12, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Katsunari Matsumoto
  • Patent number: 8311691
    Abstract: An HV-ECU performs a step of detecting an atmospheric pressure, a step of calculating a maximum value of a boost voltage corresponding to the atmospheric pressure by using a map, and a step of setting the maximum value as a system voltage value and controlling a DC/DC converter. Moreover, the HV-ECU may calculate a resistance value of a gate resistance of a switching element corresponding to the atmospheric pressure by using the map and control the gate resistance to achieve the set resistance value.
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: November 13, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Katsunari Matsumoto
  • Publication number: 20120200179
    Abstract: A cooling structure of a rotating electric machine includes a rotor core formed of a plurality of electromagnetic steel plates and a resin molding portion molding the rotor core with resin. The rotor core is provided with a through hole passing therethrough in the axial direction of the central axis that is a rotation axis. The rotor core is provided inside the through hole with an oil passage through which oil circulates. The resin molding portion has a cover portion covering the outer peripheral side of the oil passage. This configuration can provide the cooling structure of the rotating electric machine that achieves efficient cooling while suppressing occurrence of energy loss.
    Type: Application
    Filed: October 16, 2009
    Publication date: August 9, 2012
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Katsunari Matsumoto
  • Patent number: 8169305
    Abstract: A warning device (610) includes a horn A (630) for generating a first horn sound having a volume level satisfying the legal standard and a horn B (632) for generating a second horn sound satisfying at least one of a condition that it has a volume level equal to or lower than that of the first horn sound and a condition that it is of a type different from that of the first horn sound.
    Type: Grant
    Filed: January 16, 2006
    Date of Patent: May 1, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Katsunari Matsumoto, Takeshi Ishida, Hirosato Ishigaki
  • Patent number: 7775840
    Abstract: A female connector terminal into which a rectangular male connector terminal is to be inserted includes a hollow conductor having a rectangular engagement portion for inserting the male connector terminal; a protrusion arranged at the engagement portion of the conductor and brought into contact with the male connector terminal; and a plate spring arranged at the conductor engagement portion to face the protrusion so as to sandwich the male connector terminal together with the protrusion. The plate spring has an abutment portion formed by bending a plate member and is brought into abutment with both sides of the male connector terminal contact surface which is brought into contact with the plate spring.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: August 17, 2010
    Assignees: Toyota Jidosha Kabushiki Kaisha, Yazaki Corporation
    Inventors: Katsunari Matsumoto, Kei Fujimoto
  • Publication number: 20090198397
    Abstract: An HV-ECU performs a step of detecting ans atmospheric pressure, a step of calculating a maximum value of a boost voltage corresponding to the atmospheric pressure by using a map, and a step of setting the maximum value as a system voltage value and controlling a DC/DC converter. Moreover, the HV-ECU may calculate a resistance value of a gate resistance of a switching element corresponding to the atmospheric pressure by using the map and control the gate resistance to achieve the set resistance value.
    Type: Application
    Filed: September 8, 2006
    Publication date: August 6, 2009
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Katsunari Matsumoto
  • Publication number: 20090029605
    Abstract: A female connector terminal into which a rectangular male connector terminal is to be inserted includes a hollow conductor having a rectangular engagement portion for inserting the male connector terminal; a protrusion arranged at the engagement portion of the conductor and brought into contact with the male connector terminal; and a plate spring arranged at the conductor engagement portion to face the protrusion so as to sandwich the male connector terminal together with the protrusion. The plate spring has an abutment portion formed by bending a plate member and is brought into abutment with both sides of the male connector terminal contact surface which is brought into contact with the plate spring.
    Type: Application
    Filed: November 30, 2006
    Publication date: January 29, 2009
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, YAZAKI CORPORATION
    Inventors: Katsunari Matsumoto, Kei Fujimoto
  • Patent number: 7456539
    Abstract: A rotor includes a rotor core fixedly provided on a shaft and having a hole, a magnet inserted into the hole, and a resin portion injected between the side surface of the hole and the side surface of the magnet and, the side surface of the magnet has a groove formed therein as a spread-promoting portion that promotes spread of the injected resin portion.
    Type: Grant
    Filed: February 9, 2006
    Date of Patent: November 25, 2008
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Katsunari Matsumoto, Tatsuhiko Mizutani, Toshiya Sugiyama
  • Publication number: 20070257783
    Abstract: A warning device (610) includes a horn A (630) for generating a first horn sound having a volume level satisfying the legal standard and a horn B (632) for generating a second horn sound satisfying at least one of a condition that it has a volume level equal to or lower than that of the first horn sound and a condition that it is of a type different from that of the first horn sound.
    Type: Application
    Filed: January 16, 2006
    Publication date: November 8, 2007
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Katsunari Matsumoto, Takeshi Ishida, Hirosato Ishigaki
  • Publication number: 20060186752
    Abstract: A rotor includes a rotor core fixedly provided on a shaft and having a hole, a magnet inserted into the hole, and a resin portion injected between the side surface of the hole and the side surface of the magnet and, the side surface of the magnet has a groove formed therein as a spread-promoting portion that promotes spread of the injected resin portion.
    Type: Application
    Filed: February 9, 2006
    Publication date: August 24, 2006
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Katsunari Matsumoto, Tatsuhiko Mizutani, Toshiya Sugiyama
  • Patent number: 6090892
    Abstract: Disclosed herein are a (co)polymer comprising, as an essential component, a (co)polymer containing a recurring unit in a predetermined proportion, and its production process. The recurring unit contains a specific amido group and/or a particular hydroxyl group as a pendant group. This (co)polymer is generally obtained in the form of powder and features extremely easy redispersion, and is useful especially as a cement additive for improving physical properties of cement.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: July 18, 2000
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Tadashi Ishida, Yoshio Kikuta, Futoshi Hoshino, Katsunari Matsumoto