Patents by Inventor Aiko Endo

Aiko Endo 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).

  • Desk-top electronic calculator with printer
    Patent number: D289413
    Type: Grant
    Filed: January 2, 1985
    Date of Patent: April 21, 1987
    Assignee: Canon Kabushiki Kaisha
    Inventors: Aiko Endo, Hideo Fushimoto
  • Desk-top electronic calculator
    Patent number: D289417
    Type: Grant
    Filed: March 20, 1985
    Date of Patent: April 21, 1987
    Assignee: Canon Kabushiki Kaisha
    Inventors: Aiko Endo, Hideo Fushimoto
  • Desk-top electronic calculator
    Patent number: D294368
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: February 23, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Aiko Endo, Hideo Fushimoto
  • Desk-top electronic calculator
    Patent number: D299251
    Type: Grant
    Filed: April 22, 1986
    Date of Patent: January 3, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Aiko Endo, Takeshi Hasegawa, Akihiko Kobayashi
  • Ink ribbon cassette for electronic typewriter
    Patent number: D302828
    Type: Grant
    Filed: April 28, 1987
    Date of Patent: August 15, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Aiko Endo, Yasuo Ohba
  • Ink ribbon cassette for electronic typewriter
    Patent number: D307436
    Type: Grant
    Filed: December 15, 1986
    Date of Patent: April 24, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventors: Aiko Endo, Koh Hasegawa
  • Printer
    Patent number: D307440
    Type: Grant
    Filed: August 4, 1987
    Date of Patent: April 24, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventors: Seiichi Omino, Aiko Endo, Katsuhiro Watanabe
  • Electronic typewriter
    Patent number: D310092
    Type: Grant
    Filed: September 22, 1987
    Date of Patent: August 21, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventors: Aiko Endo, Noriaki Haranishi