Patents by Inventor Kohtaroh Tsutsumi

Kohtaroh Tsutsumi 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).

  • Vehicle tire
    Patent number: D300622
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: April 11, 1989
    Assignee: The Ohtsu Tire & Rubber Co., Ltd.
    Inventors: Toshinori Furusawa, Kohtaroh Tsutsumi
  • Vehicle tire
    Patent number: D301853
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: June 27, 1989
    Assignee: The Ohtsu Tire & Rubber Co., Ltd.
    Inventors: Toshinori Furusawa, Kohtaroh Tsutsumi
  • Vehicle tire
    Patent number: D313210
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: December 25, 1990
    Assignee: The Ohtsu & Rubber Co., Ltd.
    Inventors: Kohtaroh Tsutsumi, Kunihiko Shimizu
  • Vehicle tire
    Patent number: D313582
    Type: Grant
    Filed: June 22, 1988
    Date of Patent: January 8, 1991
    Assignee: The Ohtsu Tire & Rubber Co., Ltd.
    Inventors: Kohtaroh Tsutsumi, Youichi Fukutome
  • Automobile tire
    Patent number: D340209
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: October 12, 1993
    Assignees: Honda Giken Kogyo Kabushiki Kaisha, The Ohtsu Tire & Rubber Co., Ltd.
    Inventors: Kazutaka Kimura, Takao Kouchi, Kohtaroh Tsutsumi
  • Automobile tire
    Patent number: D388752
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: January 6, 1998
    Assignee: The Ohtsu Tire & Rubber Co., Ltd.
    Inventors: Kohtaroh Tsutsumi, Takehiko Murata