Patents by Inventor Minoru Itoigawa

Minoru Itoigawa 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: 5659403
    Abstract: A document scanning apparatus which includes a automatic document feeder and a stamp holder, with a stamping face marking on documents and a stamping solenoid moving the stamping face. The stamp holder is located on the outside of the automatic document feeder cover, and the stamp holder is operatable to open and close. The stamping face faces in the direction of an exit roller of the automatic document feeder. Further, the stamping face is angled so that it can return to a retracted position by its own weight.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: August 19, 1997
    Assignee: Ricoh Company, Ltd.
    Inventor: Minoru Itoigawa
  • Patent number: 5535022
    Abstract: A document scanning apparatus which includes a automatic document feeder and a stamp holder, with a stamping face marking on documents and a stamping solenoid moving the stamping face. The stamp holder is located on the outside of the automatic document feeder cover, and the stamp holder is operatable to open and close. The stamping face faces in the direction of an exit roller of the automatic document feeder. Further, the stamping face is angled so that it can return to a retracted position by its own weight.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: July 9, 1996
    Assignee: Ricoh Company, Ltd.
    Inventor: Minoru Itoigawa