Patents by Inventor Kouji Tobita

Kouji Tobita 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: 4629043
    Abstract: An improved electric parking brake system for a vehicle capable of controlling the brake-applying and releasing operations of a parking brake in an optimal manner in accordance with the gradient of the road on which the vehicle is stopped.
    Type: Grant
    Filed: January 31, 1984
    Date of Patent: December 16, 1986
    Assignee: Mazda Motor Corporation
    Inventors: Masayoshi Matsuo, Kazuhiro Takagishi, Kouji Tobita, Yukihiro Kanemaru
  • Patent number: 4292936
    Abstract: A piston for internal combustion engines has piston ring grooves at least one of which is totally or partly defined by an embedded body of a Fe based sintered material containing Ni and Cu. The sintered material is of a density of 5.5 to 6.8 g/cm.sup.3.
    Type: Grant
    Filed: May 15, 1979
    Date of Patent: October 6, 1981
    Assignee: Toyo Kogyo Co., Ltd.
    Inventors: Tuyoshi Morishita, Kenji Miyake, Kouji Tobita