Patents by Inventor Moriyoshi Serizawa

Moriyoshi Serizawa 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).

  • Patent number: 4557591
    Abstract: Disclosed herein is a photographic printing apparatus including at least one of image-rotating lenses 25 and 26 which enables the production of prints of the same size from photographic films both of full size and half size by a 45-degree rotation of said image-rotating lenses 25 and 26.
    Type: Grant
    Filed: February 8, 1983
    Date of Patent: December 10, 1985
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Moriyoshi Serizawa, Haruo Hakamada
  • Patent number: 4504026
    Abstract: Disclosed herein is a photographic paper rolling apparatus wherein at least three rollers 8, 9 and 10 are pressed against the outer periphery of a roll-up shaft 3 for the photographic paper 40, the photographic paper 40 is rolled round the roll-up shaft 3 while being held between the rollers 8, 9, 10 and the roll-up shaft 3, and the rollers 8, 9 and 10 are separated from the rolled-up paper and withdrawn from the roll-up shaft 3 when the photographic paper 40 has been rolled up to some extent and the outer diameter of the roll of paper becomes large.
    Type: Grant
    Filed: February 8, 1983
    Date of Patent: March 12, 1985
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Moriyoshi Serizawa, Haruo Hakamada