Patents by Inventor Isamu Yamanaka

Isamu Yamanaka 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).

  • Photosensitive material holder for an upright printing machine
    Patent number: 4448518
    Abstract: A photosensitive material holder for an upright printing machine, in which an upright photosensitive material holder plate is adapted to be moved in a direction of its one side, and which includes guide means by which the top of the upright photosensitive material holder plate is inclined rearwards when the upright photosensitive material holder plate is moved to its side direction.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: May 15, 1984
    Assignee: Dainippon Screen Seizo Kabushiki Kaisha
    Inventors: Fumihiko Nishida, Isamu Yamanaka, Hiroshi Ijiri