Patents by Inventor Keita Yoshida

Keita Yoshida 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).

  • Track ball mechanism
    Patent number: 5528523
    Abstract: A track ball mechanism for an information processing apparatus is assembled integrally with a palm rest member and is attached to an input device of the information processing apparatus.
    Type: Grant
    Filed: October 23, 1995
    Date of Patent: June 18, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventor: Keita Yoshida
  • Display carton
    Patent number: D438791
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: March 13, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hideaki Tsuruishi, Keita Yoshida, Tomomi Yoshida
  • Display carton
    Patent number: D439157
    Type: Grant
    Filed: July 26, 2000
    Date of Patent: March 20, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hideaki Tsuruishi, Keita Yoshida, Tomomi Yoshida
  • Display carton
    Patent number: D441285
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: May 1, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hideaki Tsuruishi, Keita Yoshida, Tomomi Yoshida
  • Display carton
    Patent number: D441643
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: May 8, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hideaki Tsuruishi, Keita Yoshida, Tomomi Yoshida
  • Packaging box
    Patent number: D447938
    Type: Grant
    Filed: July 26, 2000
    Date of Patent: September 18, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hideaki Tsuruishi, Keita Yoshida, Tomomi Yoshida
  • Packaging box
    Patent number: D447945
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: September 18, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hideaki Tsuruishi, Keita Yoshida, Tomomi Yoshida
  • Packaging box
    Patent number: D447946
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: September 18, 2001
    Assignee: Caon Kabushiki Kaisha
    Inventors: Hideaki Tsuruishi, Keita Yoshida, Tomomi Yoshida
  • Refillable ink ribbon cartridge
    Patent number: D354978
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: January 31, 1995
    Assignee: Canon Business Machines, Inc.
    Inventors: Keita Yoshida, Noboru Shimoyama
  • Ink ribbon holder
    Patent number: D355435
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: February 14, 1995
    Assignee: Canon Business Machines, Inc.
    Inventors: Noboru Shimoyama, Keita Yoshida