Patents by Inventor Tetsuya Goto

Tetsuya Goto 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).

  • Electrostatic copier
    Patent number: D278346
    Type: Grant
    Filed: August 25, 1982
    Date of Patent: April 9, 1985
    Assignee: Ricoh Company, Ltd.
    Inventors: Yasuhiro Saito, Tetsuya Goto, Toshio Umino
  • Document feeder for copying machine
    Patent number: D278825
    Type: Grant
    Filed: September 17, 1982
    Date of Patent: May 14, 1985
    Assignee: Ricoh Company, Ltd.
    Inventors: Yasuhiro Saito, Tetsuya Goto, Toshio Umino
  • Electrostatic copying machine
    Patent number: D280629
    Type: Grant
    Filed: April 19, 1983
    Date of Patent: September 17, 1985
    Assignee: Ricoh Company, Ltd.
    Inventors: Tetsuya Goto, Yasuhiro Saito, Toshio Umino
  • Sorter for copying machine
    Patent number: D280635
    Type: Grant
    Filed: September 17, 1982
    Date of Patent: September 17, 1985
    Assignee: Ricoh Company, Ltd.
    Inventors: Yasuhiro Saito, Tetsuya Goto, Toshio Umino
  • Electrostatic copying machine
    Patent number: D283512
    Type: Grant
    Filed: October 26, 1983
    Date of Patent: April 22, 1986
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshio Umino, Yasuhiro Saito, Tetsuya Goto
  • Document feeder for copying machine
    Patent number: D283625
    Type: Grant
    Filed: December 22, 1983
    Date of Patent: April 29, 1986
    Assignee: Ricoh Company, Ltd.
    Inventor: Tetsuya Goto
  • Sorter for copying machine
    Patent number: D284086
    Type: Grant
    Filed: December 22, 1983
    Date of Patent: June 3, 1986
    Assignee: Richo Company, Ltd.
    Inventor: Tetsuya Goto
  • Camera
    Patent number: D295527
    Type: Grant
    Filed: September 12, 1985
    Date of Patent: May 3, 1988
    Assignee: Ricoh Company, Ltd.
    Inventors: Koichi Soda, Tetsuya Goto, Yoichi Shirai
  • Camera
    Patent number: D296112
    Type: Grant
    Filed: November 18, 1985
    Date of Patent: June 7, 1988
    Assignee: Ricoh Company, Ltd.
    Inventor: Tetsuya Goto
  • Camera
    Patent number: D296703
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: July 12, 1988
    Assignee: Ricoh Company, Ltd.
    Inventors: Tetsuya Goto, Yoshihisa Minakawa
  • Camera
    Patent number: D304596
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: November 14, 1989
    Assignee: Ricoh Company, Ltd.
    Inventor: Tetsuya Goto