Patents by Inventor Tsuneo Kasugai

Tsuneo Kasugai 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).

  • Supports for photographic paper and photographic light-sensitive material
    Patent number: 4188220
    Abstract: A support for photographic paper coated with a resin composition comprising 100 parts by weight of a polyolefin resin and about 5 to about 25 parts by weight of a low molecular weight polyolefin having a number average molecular weight of about 1,500 to about 10,000. A photographic light-sensitive material comprising such a support is also disclosed.
    Type: Grant
    Filed: March 31, 1976
    Date of Patent: February 12, 1980
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tsuneo Kasugai, Keishi Kitagawa
  • Article having a whitened polyolefin surface
    Patent number: 3936304
    Abstract: When titanium phosphate is used as a white pigment to an article of which surface comprises polyolefin composition, the article is remarkably whitened.
    Type: Grant
    Filed: October 12, 1973
    Date of Patent: February 3, 1976
    Inventors: Tsuneo Kasugai, Nobuhiko Minagawa, Yasushi Hamada, Yujiro Sugahara, Hiroyuki Naito
  • Method of recovering pressure sensitive copying paper waste paper
    Patent number: 3933578
    Abstract: A method of recovering waste paper of a pressure sensitive copying paper which comprises, in the defibration processing for regenerating the waste paper, using an alkaline solution containing a surface active agent. This method provides a white pulp which is hardly stained.
    Type: Grant
    Filed: May 30, 1974
    Date of Patent: January 20, 1976
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tsuneo Kasugai, Makoto Shimizu, Shinichiro Ohara