Patents by Inventor Yasuhito Oshima

Yasuhito Oshima 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 lithographic printing plate
    Publication number: 20020136987
    Abstract: A photosensitive lithographic printing plate comprising: a support; and a photosensitive layer, wherein the photosensitive layer comprises: a polyurethane resin binder comprising an aliphatic cyclic structure which has a carboxyl group as a substituent directly or indirectly attached to the structure; or a polyvinyl alcohol resin binder modified with an acetal skeleton comprising an aliphatic cyclic structure.
    Type: Application
    Filed: November 6, 2001
    Publication date: September 26, 2002
    Inventor: Yasuhito Oshima
  • Negative working photosensitive lithographic printing plate
    Publication number: 20020048725
    Abstract: A negative working photosensitive lithographic printing plate is disclosed, which comprises a support having thereon at least one photosensitive layer containing a polymeric binder having repeating units represented by formula (I): 1
    Type: Application
    Filed: July 19, 2001
    Publication date: April 25, 2002
    Inventor: Yasuhito Oshima
  • Image recording material
    Patent number: 6162574
    Abstract: An image recording material comprises at least a diazonium salt represented by following general formula (1), an infrared ray absorbing agent, a cross-linking agent which is cross-linked in the presence of an acid, and a binder. The image recording material enables direct planographic printing plate production from digital computer signals by conducting recording by using an infrared laser. Further, the image recording material has excellent storability.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: December 19, 2000
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Fumikazu Kobayashi, Katsuji Kitatani, Yasuhito Oshima