Patents by Inventor Seiichiro Nishiguchi

Seiichiro Nishiguchi 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).

  • Digital clock
    Patent number: D246351
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: November 15, 1977
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoshisaburo Yoshida, Seiichiro Nishiguchi
  • Electronic calculating machine
    Patent number: D248995
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: August 15, 1978
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shigetoshi Hazama, Seiichiro Nishiguchi, Yoshiaki Kobayashi
  • Electronic calculating machine
    Patent number: D250430
    Type: Grant
    Filed: June 7, 1977
    Date of Patent: November 28, 1978
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Seiichiro Nishiguchi
  • Electronic calculating machine
    Patent number: D256697
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Seiichiro Nishiguchi