Patents by Inventor Yoshimi Arakawa

Yoshimi Arakawa 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).

  • Metal gaskets for cylinder heads, and methods for manufacturing same
    Patent number: 8939452
    Abstract: Provided is a metal gasket for a cylinder head that is capable of improving engaging force between a substrate and a step adjustment plate.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: January 27, 2015
    Assignee: Nippon Leakless Industry Co., Ltd.
    Inventors: Yoshitaka Matsushita, Yuji Takahashi, Yoshimi Arakawa
  • METHOD FOR MANUFACTURING METAL GASKET FOR CYLINDER HEAD, AND METAL GASKET FOR CYLINDER HEAD
    Publication number: 20120319361
    Abstract: Provided is a metal gasket for a cylinder head that is capable of improving engaging force between a substrate and a step adjustment plate.
    Type: Application
    Filed: February 21, 2011
    Publication date: December 20, 2012
    Inventors: Yoshitaka Matsushita, Yuji Takahashi, Yoshimi Arakawa