Patents by Inventor Shosaku Shiojiri

Shosaku Shiojiri 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).

  • Strobe apparatus
    Patent number: 4570205
    Abstract: A lower part of a reflection mirror is cut away to admit light flooding downwards in a special photographing situation, for instance, close-up photography, by slidably removing an auxiliary movable mirror part from the cut away part. By sliding the movable mirror part to cover the cut away part of the reflection mirror, a normal light angle is obtainable. Thereby, both close-up flash photographing without any parallax of flash light, as well as, normal flash photographing with a correctly flooded flash light are obtainable.
    Type: Grant
    Filed: June 19, 1984
    Date of Patent: February 11, 1986
    Assignee: West Electric Company, Ltd.
    Inventor: Shosaku Shiojiri
  • Photographic flash device
    Patent number: 4141059
    Abstract: A photographic flash device comprisingA flash tube disposed in a case and a converging lens disposed in front of the flash tube, the improvement is thatThe converging lens is mounted on the front part of a slidable frame which slidably and permanently engages with the case at the front part thereof in a manner to enable adjustment of distance between the converging lens and said flash tube so as to change angle of divergence of flashed light, and a space inside the frame is covered by a protecting cover.
    Type: Grant
    Filed: October 17, 1977
    Date of Patent: February 20, 1979
    Assignee: West Electric Company, Ltd.
    Inventor: Shosaku Shiojiri