Patents by Inventor Yutaka Nishinaga

Yutaka Nishinaga 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).

  • Cylinder block for V-type engine
    Patent number: 5131357
    Abstract: A V-type engine cylinder block includes a mounting pedestal, integrally formed with the block in a V-shaped space between two cylinder banks and interconnecting the cylinder banks. A top wall is secured to the mounting pedestal and extends over almost the entire length of the V-shaped space in a lengthwise direction of the cylinder block. A plurality of bosses are formed with internal threads for securing a bracket, for mounting the cylinder block onto a car body, to one end wall of the cylinder block by bolts. The mounting pedestal and bosses are interconnected by ribs integrally formed with the cylinder block.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: July 21, 1992
    Assignee: Mazda Motor Corporation
    Inventors: Yasushi Inoue, Shigeki Nakatani, Yutaka Nishinaga, Hajime Suetsugu, Takashi Sakono, Seiji Nanba