Patents by Inventor Yosuke Ohsawa

Yosuke Ohsawa 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).

  • Editing device for copying machine
    Patent number: D309322
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: July 17, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiko Hirata, Yosuke Ohsawa
  • Copier control device
    Patent number: D310237
    Type: Grant
    Filed: July 19, 1988
    Date of Patent: August 28, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yosuke Ohsawa, Tomohiko Hirata
  • Copying machine
    Patent number: D313814
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: January 15, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Komada, Tomohiko Hirata, Minoru Aoyama, Yosuke Ohsawa
  • Original sheet feeding device for a copying machine
    Patent number: D314789
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: February 19, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiko Hirata, Yosuke Ohsawa
  • Copying machine
    Patent number: D328382
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: July 28, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Komada, Hisakawa Shimizu, Yosuke Ohsawa, Mitsuru Sakurai
  • Video adapter for copying machine
    Patent number: D329452
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: September 15, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Komada, Hisakazu Shimizu, Yosuke Ohsawa, Mitsuru Sakurai
  • Image editing unit for digitally input data
    Patent number: D333125
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: February 9, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Komada, Hisakazu Shimizu, Yosuke Ohsawa, Mitsuru Sakurai
  • Copying machine
    Patent number: D338031
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: August 3, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshie Katada, Eiji Sakaguchi, Ryoichi Takahashi, Yosuke Ohsawa
  • Slide projector for copying machine
    Patent number: D344749
    Type: Grant
    Filed: January 22, 1992
    Date of Patent: March 1, 1994
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Komada, Yosuke Ohsawa
  • Copying machine
    Patent number: D354509
    Type: Grant
    Filed: September 30, 1992
    Date of Patent: January 17, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Komada, Masaaki Ishibashi, Yosuke Ohsawa, Hiroki Umeda
  • Copying machine
    Patent number: D354510
    Type: Grant
    Filed: September 30, 1992
    Date of Patent: January 17, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Ishibashi, Takeshi Komada, Yosuke Ohsawa, Mitsuru Sakurai
  • Copying machine
    Patent number: D357933
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: May 2, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Ishibashi, Takeshi Komada, Yosuke Ohsawa