Patents by Inventor Yuji Katsuta

Yuji Katsuta 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).

  • Information record/retrieval device
    Patent number: 4797946
    Abstract: An information record/retrieval device registers information by storing retrieval information formed thereon and searches desired information by using the stored retrieval information. Retrieval information is formed in a specified format which can be entered through an image input device which feeds image information to a control processing unit.
    Type: Grant
    Filed: December 11, 1986
    Date of Patent: January 10, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yuji Katsuta, Sumio Kita, Sakuharu Takano, Hiroshi Kamada