Patents by Inventor Satoshi Watase

Satoshi Watase 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).

  • Cap of pen
    Patent number: D612889
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: March 30, 2010
    Assignee: Kabushiki Kaisha Pilot Corporation
    Inventor: Satoshi Watase
  • Ballpoint pen
    Patent number: D695343
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: December 10, 2013
    Assignee: Kabushiki Kaisha Pilot Corporation
    Inventor: Satoshi Watase
  • Ballpoint pen
    Patent number: D698864
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: February 4, 2014
    Assignee: Kabushiki Kaisha Pilot Corporation
    Inventor: Satoshi Watase
  • Ballpoint pen
    Patent number: D745926
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: December 22, 2015
    Assignee: KABUSHIKI KAISHA PILOT CORPORATION
    Inventor: Satoshi Watase