Patents by Inventor Kohji Kawato

Kohji Kawato 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).

  • Thermographic recording elements
    Patent number: 6423486
    Abstract: A thermographic recording element having an image forming layer contains an organic silver salt, a reducing agent, an optional photosensitive silver halide, and a specific nucleating agent. The element has high Dmax, high sensitivity, satisfactory contrast, low fog, and minimal dependency of photographic properties on developing temperature.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: July 23, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kohzaburoh Yamada, Hiroyuki Suzuki, Takashi Hoshimiya, Hirotomo Sasaki, Kohji Kawato, Toshihide Ezoe
  • Thermographic recording elements
    Publication number: 20010038984
    Abstract: A thermographic recording element having an image forming layer contains an organic silver salt, a reducing agent, an optional photosensitive silver halide, and a specific nucleating agent. The element has high Dmax, high sensitivity, satisfactory contrast, low fog, and minimal dependency of photographic properties on developing temperature.
    Type: Application
    Filed: March 19, 2001
    Publication date: November 8, 2001
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Kohzaburoh Yamada, Hiroyuki Suzuki, Takashi Hoshimiya, Hirotomo Sasaki, Kohji Kawato, Toshihide Ezoe
  • Thermographic recording elements
    Patent number: 6232059
    Abstract: A thermographic recording element having an image forming layer contains an organic silver salt, a reducing agent, an optional photosensitive silver halide, and a specific nucleating agent. The element has high Dmax, high sensitivity, satisfactory contrast, low fog, and minimal dependency of photographic properties on developing temperature.
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: May 15, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kohzaburoh Yamada, Hiroyuki Suzuki, Takashi Hoshimiya, Hirotomo Sasaki, Kohji Kawato, Toshihide Ezoe