Patents by Inventor Tetsu Hirano

Tetsu Hirano 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).

  • Lock system
    Patent number: 8403374
    Abstract: A lock system is provided which is made to facilitate connecting work of a slide pin with a cam member and reduce looseness in the connected state.
    Type: Grant
    Filed: November 12, 2007
    Date of Patent: March 26, 2013
    Assignee: Piolax, Inc.
    Inventors: Toshihiro Shimizu, Toshihiko Okawara, Tetsu Hirano
  • LOCK SYSTEM
    Publication number: 20100013244
    Abstract: A lock system is provided which is made to facilitate connecting work of a slide pin with a cam member and reduce looseness in the connected state.
    Type: Application
    Filed: November 12, 2007
    Publication date: January 21, 2010
    Inventors: Toshihiro Shimizu, Toshihiko Okawara, Tetsu Hirano