Patents by Inventor Masaya Takahahsi

Masaya Takahahsi 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).

  • Fuel pump for inter-cylinder direct fuel injection apparatus
    Publication number: 20040003713
    Abstract: Disclosed herein is a fuel pump for an inter-cylinder direct fuel injection apparatus, in which occurrence of corrosion and attrition caused by cavitation or erosion can be suppressed, their resistance against the environment can be improved, and an excellent lifetime can be achieved in the case of the use of an aluminum material even if the temperature reaches as high as 100° C. or higher and the pressure reaches as high as 7 to 12 MPa. In the fuel pump for an inter-cylinder direct fuel injection apparatus, made of aluminum or an aluminum alloy, a coating film plated with Ni—P or a Ni—P based material is formed by electroless plating.
    Type: Application
    Filed: October 30, 2002
    Publication date: January 8, 2004
    Applicant: Hitachi, Ltd.
    Inventors: Shizuka Yamaguchi, Noboru Baba, Masaya Takahahsi, Katsuyoshi Terakado, Arata Kagiyama, Masayoshi Kotaki, Shogo Sawada, Kazuo Ojima, Hiroyuki Yamada, Hideki Machimura, Yukio Takahashi