Patents by Inventor Hiroshi Kagaya

Hiroshi Kagaya 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).

  • Engine cylinder block reinforcing structure
    Patent number: 4793299
    Abstract: An engine cylinder block structure includes: a cylinder block integrally formed to include skirts projecting downwardly from both sides of the lower surface of the cylinder block; an oil pan attached to lower surfaces of both skirts of the cylinder block, the oil pan having a deep first portion on a front side and a shallow second portion on a rear side, the first and second portions being connected to each other; flanges integrally formed on lower ends of the skirts for having the oil pan attached thereto; and reinforcing mechanism for reinforcing the strength of both skirts.
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: December 27, 1988
    Assignee: Mazda Motor Corporation
    Inventors: Fuminori Ishimura, Hiroshi Kagaya, Kazuaki Nishimura, Takafumi Teramoto