Patents by Inventor Kazuhiko Sakaoka

Kazuhiko Sakaoka 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: D330205
    Type: Grant
    Filed: July 16, 1990
    Date of Patent: October 13, 1992
    Assignee: Hanshin Koki Kabushiki Kaisha
    Inventor: Kazuhiko Sakaoka