Patents by Inventor Keijirou Fujino

Keijirou Fujino 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 storage and retrieval device
    Patent number: 5500841
    Abstract: An information storage and retrieval device comprising a card conveyor mount for supporting and conveying a card-type information storage medium; a drive means having a linear motor, for reciprocatingly driving the card conveyor mount; an electrical power control circuit having switching elements, for providing power to the linear motor; speed detection means and for detecting the speed at which the card conveyor mount is moving.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: March 19, 1996
    Assignee: Nippon Conlux, Ltd.
    Inventors: Keijirou Fujino, Koichi Yamazaki