Patents by Inventor Kazuharu Yamamoto

Kazuharu Yamamoto 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: D310077
    Type: Grant
    Filed: June 22, 1988
    Date of Patent: August 21, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Kazuharu Yamamoto
  • Patent number: D310527
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: September 11, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuharu Yamamoto, Reiko Koshimura
  • Patent number: D310528
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: September 11, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuharu Yamamoto, Reiko Koshimura
  • Patent number: D310666
    Type: Grant
    Filed: May 13, 1988
    Date of Patent: September 18, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Kazuharu Yamamoto
  • Patent number: D310667
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: September 18, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masahiko Kobayashi, Kazuharu Yamamoto
  • Patent number: D314767
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: February 19, 1991
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuharu Yamamoto, Masahiko Kobayashi
  • Patent number: D324040
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: February 18, 1992
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shinji Saito, Kazuharu Yamamoto, Masahiko Kashiwabara, Kazuya Fujita, Iwao Ohyama
  • Patent number: D363470
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: October 24, 1995
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Kazuharu Yamamoto
  • Patent number: D364382
    Type: Grant
    Filed: November 15, 1994
    Date of Patent: November 21, 1995
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Kazuharu Yamamoto