Patents by Inventor Yuji Ohishi

Yuji Ohishi 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).

  • Brake fluid pressure control unit for vehicle
    Patent number: 7427114
    Abstract: A vehicular brake fluid pressure control unit includes a base block of aluminum material having a cylinder bore containing a piston and a return spring, and a cover member fixed to the base block to cover an open end of the cylinder bore. The cover member is formed with a vent hole opening into an atmospheric chamber in the cover member, and made of aluminum. material.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: September 23, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Yuji Ohishi, Hikaru Morita, Chiharu Nakazawa, Daisuke Hiwatashi
  • Brake liquid pressure control unit of on- vehicle device and its manufacturing method
    Publication number: 20070251081
    Abstract: In brake liquid pressure control unit for an on-vehicle device and its manufacturing method, a lid member constituting at least one reservoir together with a cylindrically shaped hole is formed substantially in a bell shape, the lid member comprising a cylindrical wall projected externally from one of four base surfaces expect mutually opposing first and second base surface of a base block of a rectangular parallelopiped on which the cylindrically shaped hole is formed.
    Type: Application
    Filed: June 29, 2007
    Publication date: November 1, 2007
    Inventors: Yuji Ohishi, Hikaru Morita, Chiharu Nakazawa, Daisuke Hiwatashi
  • Brake liquid pressure control unit of on-vehicle device and its manufacturing method
    Patent number: 7249808
    Abstract: In brake liquid pressure control unit for an on-vehicle device and its manufacturing method, a lid member constituting at least one reservoir together with a cylindrically shaped hole is formed substantially in a bell shape, the lid member comprising a cylindrical wall projected externally from one of four base surfaces expect mutually opposing first and second base surface of a base block of a rectangular parallelopiped on which the cylindrically shaped hole is formed.
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: July 31, 2007
    Assignee: Hitachi Unisia Automotive, Ltd.
    Inventors: Yuji Ohishi, Hikaru Morita, Chiharu Nakazawa, Daisuke Hiwatashi
  • Brake liquid pressure control unit of on-vehicle device and its manufacturing method
    Patent number: 6979063
    Abstract: In brake liquid pressure control unit for an on-vehicle device and its manufacturing method, a lid member constituting at least one reservoir together with a cylindrically shaped hole is formed substantially in a bell shape, the lid member comprising a cylindrical wall projected externally from one of four base surfaces expect mutually opposing first and second base surface of a base block of a rectangular parallelopiped on which the cylindrically shaped hole is formed.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: December 27, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Yuji Ohishi, Hikaru Morita, Chiharu Nakazawa, Daisuke Hiwatashi
  • Brake liquid pressure control unit of on-vehicle device and its manufacturing method
    Publication number: 20050253449
    Abstract: In brake liquid pressure control unit for an on-vehicle device and its manufacturing method, a lid member constituting at least one reservoir together with a cylindrically shaped hole is formed substantially in a bell shape, the lid member comprising a cylindrical wall projected externally from one of four base surfaces expect mutually opposing first and second base surface of a base block of a rectangular parallelopiped on which the cylindrically shaped hole is formed.
    Type: Application
    Filed: July 20, 2005
    Publication date: November 17, 2005
    Inventors: Yuji Ohishi, Hikaru Morita, Chiharu Nakazawa, Daisuke Hiwatashi
  • Brake fluid pressure control unit for vehicle
    Publication number: 20020171286
    Abstract: A vehicular brake fluid pressure control unit includes a base block of aluminum material having a cylinder bore containing a piston and a return spring, and a cover member fixed to the base block to cover an open end of the cylinder bore. The cover member is formed with a vent hole opening into an atmospheric chamber in the cover member, and made of aluminum. material.
    Type: Application
    Filed: April 25, 2002
    Publication date: November 21, 2002
    Applicant: UNISIA JECS CORPORATION
    Inventors: Yuji Ohishi, Hikaru Morita, Chiharu Nakazawa, Daisuke Hiwatashi
  • Brake liquid pressure control unit of on-vehicle device and its manufacturing method
    Publication number: 20020171287
    Abstract: In brake liquid pressure control unit for an on-vehicle device and its manufacturing method, a lid member constituting at least one reservoir together with a cylindrically shaped hole is formed substantially in a bell shape, the lid member comprising a cylindrical wall projected externally from one of four base surfaces expect mutually opposing first and second base surface of a base block of a rectangular parallelopiped on which the cylindrically shaped hole is formed.
    Type: Application
    Filed: April 23, 2002
    Publication date: November 21, 2002
    Applicant: UNISIA JECS CORPORATION
    Inventors: Yuji Ohishi, Hikaru Morita, Chiharu Nakazawa, Daisuke Hiwatashi