Patents by Inventor Akitoshi Oikawa

Akitoshi Oikawa 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: D352760
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: November 22, 1994
    Assignee: Shimano Inc.
    Inventors: Koji Terada, Seiji Myojo, Ryoichi Kishi, Fumiaki Kono, Akitoshi Oikawa
  • Patent number: D352763
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: November 22, 1994
    Assignee: Shimano Inc.
    Inventors: Seiji Myojo, Koji Terada, Ryoichi Kishi, Fumiaki Kohno, Akitoshi Oikawa
  • Patent number: D362869
    Type: Grant
    Filed: March 8, 1994
    Date of Patent: October 3, 1995
    Assignee: Sega Enterprises, Ltd.
    Inventor: Akitoshi Oikawa
  • Patent number: D362870
    Type: Grant
    Filed: May 6, 1994
    Date of Patent: October 3, 1995
    Assignee: Sega Enterprises, Ltd.
    Inventor: Akitoshi Oikawa
  • Patent number: D370909
    Type: Grant
    Filed: September 22, 1995
    Date of Patent: June 18, 1996
    Assignee: Sega Enterprises, Ltd.
    Inventors: Akitoshi Oikawa, Kenji Tosaki
  • Patent number: D371114
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: June 25, 1996
    Assignee: Sega Enterprises, Ltd.
    Inventor: Akitoshi Oikawa
  • Patent number: D372941
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: August 20, 1996
    Assignee: Sega Enterprises, Ltd.
    Inventor: Akitoshi Oikawa
  • Patent number: D374041
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: September 24, 1996
    Assignee: Sega Enterprises, Ltd.
    Inventor: Akitoshi Oikawa
  • Patent number: D377198
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: January 7, 1997
    Assignee: Sega Enterprises, Ltd.
    Inventors: Akitoshi Oikawa, Atsushi Ichijou, Kunisaburou Uemura, Hiroshi Ohta