Patents by Inventor Shinzi Kataoka

Shinzi Kataoka 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).

  • Retouchable mat film
    Patent number: 4659607
    Abstract: A retouchable mat film comprising a hydrophobic support which has formed thereon a mat layer containing silicon dioxide as a matting agent is disclosed. The mat layer further includes a mixture of poly(methyl methacrylate) or a copolymer containing at least 80 wt % of methyl methacrylate and a hydrophilic polymer as a binder. This mat film withstands several retouching operations in ink.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: April 21, 1987
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Shinzi Kataoka, Yukio Shinagawa, Shinji Sakaguchi
  • Retouchable mat film
    Patent number: 4588673
    Abstract: A retouchable mat film comprising a hydrophobic support which has formed thereon a mat layer containing silicon dioxide as a matting agent is disclosed. The mat layer further includes a mixture of poly(methyl methacrylate) or a copolymer containing at least 80 wt % of methyl methacrylate and a hydrophilic polymer as a binder. This mat film withstands several retouching operations in ink.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: May 13, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Shinzi Kataoka, Yukio Shinagawa, Shinji Sakaguchi
  • Photographic light-sensitive element with backing layer
    Patent number: 4582784
    Abstract: A photographic light-sensitive material comprising at least one light-sensitive photographic emulsion layer on a support and a back layer provided on the reverse side of the support, wherein the uppermost surface layer of the back layer comprises a hydrophobic polymer binder and a hydrophilic polymer binder.
    Type: Grant
    Filed: October 18, 1984
    Date of Patent: April 15, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masafumi Fukugawa, Shinzi Kataoka, Yukio Shinagawa, Itsuo Fujiwara