Patents by Inventor Kaoru Yaegashi

Kaoru Yaegashi 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).

  • Silver halide photographic light-sensitive material subjected to antistatic prevention
    Patent number: 5376517
    Abstract: A silver halide light-sensitive photographic material is disclosed which comprises a support and provided thereon, a subbing layer and a silver halide emulsion layer in that order, the subbing layer containing in admixture, a binder, metal oxide particles having a volume specific resistance of not less than 10.sup.9 .OMEGA. cm, and a conductive polymer and the metal being selected from the group consisting of Ti, Si and Al.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: December 27, 1994
    Assignee: Konica Corporation
    Inventors: Yasuo Kurachi, Kaoru Yaegashi, Yoichi Saito
  • Silver halide photographic light-sensitive material using antistatic plastic film
    Patent number: 5364751
    Abstract: A plastic film material comprising a layer is disclosed, the layer containing in admixture a binder and particles comprising a compound in an amount of 70% or more by weight of the particles, the particles having a volume specific resistance of not more than 10.sup.9 .OMEGA.cm and the compound comprising an element selected from the group consisting of H, B, C, N, O, F, P, S and Cl.
    Type: Grant
    Filed: February 25, 1994
    Date of Patent: November 15, 1994
    Assignee: Konica Corporation
    Inventors: Yasuo Kurachi, Kaoru Yaegashi, Yoichi Siato, Yoshihiro Wada, Akihisa Nakajima