Patents by Inventor Masamichi Wakamatsu

Masamichi Wakamatsu 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).

  • Wrist watch
    Patent number: D301692
    Type: Grant
    Filed: July 17, 1986
    Date of Patent: June 20, 1989
    Assignee: Casio Computer Co., Ltd.
    Inventor: Masamichi Wakamatsu
  • Wrist wtach with pulsimeter
    Patent number: D303092
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: August 29, 1989
    Assignee: Casio Computer Co., Ltd.
    Inventor: Masamichi Wakamatsu
  • Wrist watch
    Patent number: D303768
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: October 3, 1989
    Assignee: Casio Computer Co., Ltd.
    Inventor: Masamichi Wakamatsu
  • Strap for a wristwatch
    Patent number: D305622
    Type: Grant
    Filed: May 9, 1989
    Date of Patent: January 23, 1990
    Assignee: Casio Computer Co. Ltd.
    Inventor: Masamichi Wakamatsu
  • Strap for a wrist watch
    Patent number: D308852
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: June 26, 1990
    Assignee: Casio Computer Co., Ltd.
    Inventor: Masamichi Wakamatsu
  • Wrist watch
    Patent number: D313941
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: January 22, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Masamichi Wakamatsu
  • Wrist watch
    Patent number: D320567
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: October 8, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Masamichi Wakamatsu
  • Wrist watch
    Patent number: D323299
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: January 21, 1992
    Assignee: Casio Computer Co., Ltd.
    Inventor: Masamichi Wakamatsu
  • Wrist watch
    Patent number: D323623
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: February 4, 1992
    Assignee: Casio Computer Co., Ltd.
    Inventor: Masamichi Wakamatsu
  • Automobile tire
    Patent number: D369766
    Type: Grant
    Filed: March 17, 1995
    Date of Patent: May 14, 1996
    Assignee: Bridgestone Corportion
    Inventors: Masamichi Wakamatsu, Yasuhiro Hamada
  • Automobile tire
    Patent number: D369768
    Type: Grant
    Filed: March 17, 1995
    Date of Patent: May 14, 1996
    Assignee: Bridgestone Corporation
    Inventors: Masamichi Wakamatsu, Yasuhiro Hamada
  • Automobile tire
    Patent number: D370445
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: June 4, 1996
    Assignee: Bridgestone Corporation
    Inventors: Masamichi Wakamatsu, Hiroaki Nishikawa