Patents by Inventor Yuuho Yamamoto

Yuuho Yamamoto 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).

  • Valve for oil change or the like
    Patent number: D681170
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: April 30, 2013
    Assignee: Fumoto Giken Co., Ltd.
    Inventor: Yuuho Yamamoto