Patents by Inventor Toshiyuki Komamura

Toshiyuki Komamura 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).

  • Indicator for indicating the presence or absence of a photo sensitive material in a film holder
    Patent number: 4653888
    Abstract: An indicator according to the present invention is used to indicate the presence or absence of a photo sensitive material in a film holder. The indicator comprises a pivotal indicator element and a actuating element. The pivotal indicator element has a pivot at its one end and is mounted on the surface of the film holder near its exposing window. The actuating element is adapted to be moved interlockingly with the pivot upon the insertion of the photo sensitive material and is provided facing a photo sensitive material receiving channel.
    Type: Grant
    Filed: March 29, 1985
    Date of Patent: March 31, 1987
    Assignee: Komamura Photographic Co., Ltd.
    Inventors: Toshiyuki Komamura, Kanji Tomidokoro