Patents by Inventor Daigo Kawamura

Daigo Kawamura 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).

  • Patent number: 11916188
    Abstract: An all solid battery includes: a solid electrolyte layer including a glass component, a main component of the solid electrolyte layer being phosphoric acid salt-based solid electrolyte; and electrode layers that are provided on both main faces of the solid electrolyte layer, wherein the electrode layers include a carbon material having an average particle diameter of 40 nm or more and 120 nm or less, wherein a DBP oil absorption of the carbon material is 200 mL/100 g or less.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: February 27, 2024
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Sachie Tomizawa, Daigo Ito, Chie Kawamura, Masashi Sekiguchi, Takato Satoh
  • Patent number: 9399971
    Abstract: A gasoline engine includes an electric heater, which is embedded in a port-type fuel injection valve and heats the fuel in the fuel injection valve. An electronic control device heats the fuel by means of the electric heater when the engine is cold. When the fuel is not heated by the electric heater, the electronic control device controls the fuel injection valve such that the engine rotational speed NE is a second prescribed value N2 which is higher than the idle rotational speed when the engine is warm. When idle running is performed when the engine is cold and the fuel injected from the fuel injection valve is heated by the electric heater, the amount Q of fuel injected by the fuel injection valve is controlled such that the engine rotational speed NE is less than the second prescribed value N2.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: July 26, 2016
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Daigo Kawamura
  • Publication number: 20150167600
    Abstract: A gasoline engine includes an electric heater, which is embedded in a port-type fuel injection valve and heats the fuel in the fuel injection valve. An electronic control device heats the fuel by means of the electric heater when the engine is cold. When the fuel is not heated by the electric heater, the electronic control device controls the fuel injection valve such that the engine rotational speed NE is a second prescribed value N2 which is higher than the idle rotational speed when the engine is warm. When idle running is performed when the engine is cold and the fuel injected from the fuel injection valve is heated by the electric heater, the amount Q of fuel injected by the fuel injection valve is controlled such that the engine rotational speed NE is less than the second prescribed value N2.
    Type: Application
    Filed: April 11, 2012
    Publication date: June 18, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Daigo Kawamura
  • Patent number: 8495985
    Abstract: A fuel delivery pipe with damper function, being constructed of an elongate lower case provided at its bottom with a plurality of injection sockets for connection with fuel injection valves to be opened and closed by a controller unit; an upper case coupled with the lower case in a liquid-tight manner to form an internal space to be filled with fuel under pressure supplied from a fuel pump; a hollow partition wall member the whole periphery of which is brazed to an inner surface of the lower or upper case to form an air chamber isolated from the internal space; and a vent hole formed in the lower or upper case and sealed after communicating the air chamber with the atmosphere therethrough.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: July 30, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Naruki Harada, Daigo Kawamura
  • Publication number: 20110197856
    Abstract: A fuel delivery pipe with damper function, being constructed of an elongate lower case provided at its bottom with a plurality of injection sockets for connection with fuel injection valves to be opened and closed by a controller unit; an upper case coupled with the lower case in a liquid-tight manner to form an internal space to be filled with fuel under pressure supplied from a fuel pump; a hollow partition wall member the whole periphery of which is brazed to an inner surface of the lower or upper case to form an air chamber isolated from the internal space; and a vent hole formed in the lower or upper case and sealed after communicating the air chamber with the atmosphere therethrough.
    Type: Application
    Filed: September 22, 2010
    Publication date: August 18, 2011
    Applicants: MARUYASU INDUSTRIES CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naruki HARADA, Daigo Kawamura