Patents by Inventor Yoichi Tatsuta

Yoichi Tatsuta 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).

  • Shredder
    Patent number: D299035
    Type: Grant
    Filed: October 29, 1986
    Date of Patent: December 20, 1988
    Assignee: Sharp Corporation
    Inventors: Hiroshi Nishibori, Ritsuko Makihara, Yoichi Tatsuta, Mikio Kosako, Harumi Fukuda
  • Shredder
    Patent number: D299148
    Type: Grant
    Filed: November 7, 1986
    Date of Patent: December 27, 1988
    Assignee: Sharp Corporation
    Inventors: Hiroshi Nishibori, Ritsuko Makihara, Yoichi Tatsuta
  • Copying machine
    Patent number: D302440
    Type: Grant
    Filed: November 21, 1986
    Date of Patent: July 25, 1989
    Assignee: Sharp Corporation
    Inventors: Mikio Kosako, Ritsuko Makihara, Yoichi Tatsuta
  • Electronic copying machine
    Patent number: D309751
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: August 7, 1990
    Assignee: Sharp Corporation
    Inventors: Mikio Kosako, Ritsuko Makihara, Yoichi Tatsuta
  • Sorter for copying machine
    Patent number: D310843
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: September 25, 1990
    Assignee: Sharp Corporation
    Inventors: Mikio Kosako, Ritsuko Makihara, Yoichi Tatsuta
  • Feeder for electronic copying machine
    Patent number: D313618
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: January 8, 1991
    Assignee: Sharp Corporation
    Inventors: Mikio Kosako, Ritsuko Makihara, Yoichi Tatsuta