Patents by Inventor Hirohisa Ito

Hirohisa Ito 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).

  • Flow control valve
    Patent number: 6837193
    Abstract: A flow control valve used in a cooling system of a water cooling type includes a first valve body and a first valve seat for controlling a quantity of radiator flow which returns from an engine to a pump through a radiator, a second valve body and a second valve seat for controlling a quantity of bypass flow which returns from the engine to the pump without passing through the radiator, and a step motor for displacing the valve bodies integrally as a valve unit. The first valve body, the first valve seat, the second valve body, and the second valve seat are so arranged that, in a range where the radiator flow quantity becomes practically zero, the bypass flow is permitted to flow at a slightly larger quantity than the radiator flow and, in other ranges, the bypass flow quantity is equal to or lower than the radiator flow quantity.
    Type: Grant
    Filed: January 13, 2003
    Date of Patent: January 4, 2005
    Assignees: Aisan Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha
    Inventors: Masahiro Kobayashi, Hirohisa Ito, Daisuke Yamamoto, Shigetaka Yoshikawa, Yoshikazu Shinpo, Isao Takagi
  • Flow control valve
    Publication number: 20030136357
    Abstract: A flow control valve used in a cooling system of a water cooling type includes a first valve body and a first valve seat for controlling a quantity of radiator flow which returns from an engine to a pump through a radiator, a second valve body and a second valve seat for controlling a quantity of bypass flow which returns from the engine to the pump without passing through the radiator, and a step motor for displacing the valve bodies integrally as a valve unit. The first valve body, the first valve seat, the second valve body, and the second valve seat are so arranged that, in a range where the radiator flow quantity becomes practically zero, the bypass flow is permitted to flow at a slightly larger quantity than the radiator flow and, in other ranges, the bypass flow quantity is equal to or lower than the radiator flow quantity.
    Type: Application
    Filed: January 13, 2003
    Publication date: July 24, 2003
    Applicant: AISAN KOGYO KABUSHIKI KAISHA
    Inventors: Masahiro Kobayashi, Hirohisa Ito, Daisuke Yamamoto, Shigetaka Yoshikawa, Yoshikazu Shinpo, Isao Takagi
  • Method of manufacturing continuous fiber reinforced plastic rims
    Patent number: 4483729
    Abstract: A wheel rim is formed by separately forming rim halves of fiber sheets arrayed in different directions so that the fibers are isotropic around the circumference of the rim, and by welding the halves together with a ring formed of carbon fibers.
    Type: Grant
    Filed: December 28, 1982
    Date of Patent: November 20, 1984
    Assignees: Honda Giken Kogyo Kabushiki Kaisha, Sumitomo Electric Industries, Ltd
    Inventors: Masaru Fujisaki, Tetsuo Tsuchida, Yoichi Sasajima, Hirohisa Ito, Masahiro Morita