Patents by Inventor Yasuaki Yuyama

Yasuaki Yuyama 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).

  • Light transmissible light-sensitive recording materials
    Patent number: 4622279
    Abstract: In a light transmissible light-sensitive recording material, the improvement wherein said recording material is a long film having a width of 40 mm or less, and both sides of at least one surface of said film each have an image protective zone having a kinetic friction coefficient of 0.35 or less which are provided in the lengthwise direction of the film in parallel with each other, is disclosed.
    Type: Grant
    Filed: May 10, 1985
    Date of Patent: November 11, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuaki Yuyama, Syunichi Kondo, Hideo Sato
  • Electrophotographic recording material comprises backing layer containing long-chain alkanoic acid metal salt
    Patent number: 4618553
    Abstract: An electrophotographic recording material is disclosed. The material comprises a support having provided thereon a photoconductive layer, in which a backing layer containing a long-chain alkanoic acid metal salt is provided on the reverse side of the support. The material has improved slipping property and excellent running durability.
    Type: Grant
    Filed: May 28, 1985
    Date of Patent: October 21, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuaki Yuyama, Junji Nakano, Shyunichi Kondo, Hideo Sato, Kenichi Sawada
  • Transfer powder marking method using a core-shell powder comprising a pigment, solvent-insoluble polyester resin and a volatile halogenated hydrocarbon insoluble ingredient
    Patent number: 4393112
    Abstract: A method for marking employing a novel marking agent is disclosed wherein the marking agent is composed of a fine powder containing about 30 to 75% by volume of an ingredient which is insoluble in a solvent used to fix the marking agent.
    Type: Grant
    Filed: May 20, 1981
    Date of Patent: July 12, 1983
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Satoru Honjo, Yasuaki Yuyama, Masakazu Iwasa, Kazuo Imanishi