Patents by Inventor Shizuo Oi

Shizuo Oi 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).

  • Patent number: D538931
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: March 20, 2007
    Assignee: Karl Storz GmbH & Co. KG
    Inventor: Shizuo Oi
  • Patent number: D546448
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: July 10, 2007
    Assignee: Karl Storz GmbH & Co. KG
    Inventor: Shizuo Oi