Patents by Inventor Shiyouji Nishio

Shiyouji Nishio 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).

  • Patent number: 5534389
    Abstract: Disclosed are a method for processing a black-and-white light-sensitive silver halide photographic material containing at least one kind of a tetrazolium compound or a hydrazine compound with a developing solution containing a polyhydroxybenzene type developing agent, wherein the developing solution is a developing solution prepared by using a solid processing agent, a solid processing agent for a black-and-white light-sensitive silver halide photographic material containing a tetrazolium compound or a hydrazine compound comprising a polyhydroxybenzene type developing agent and a solid processing agent for a black-and-white light-sensitive silver halide photographic material containing a tetrazolium compound or a hydrazine compound comprising a thiosulfate fixing agent and water in an amount of 300% or less based on an amount of the thiosulfate fixing agent.
    Type: Grant
    Filed: July 8, 1994
    Date of Patent: July 9, 1996
    Assignee: Konica Corporation
    Inventors: Takeo Arai, Tadashi Sekiguchi, Takeshi Habu, Shiyouji Nishio, Hiroyuki Usiroyama, Kenichi Tanaka, Akira Kobayashi
  • Patent number: 5252448
    Abstract: A silver halide light-sensitive material is disclosed, which has an improved sliding ability and antiadhesion property and has good photographic characteristics. The light-sensitive material comprises a support having, on a side of the support, a silver halide emulsion layer and a protective layer provided on the silver halide emulsion layer, and on the other side of the support, a backing layer and a protective layer provided on the backing layer, wherein at least one of the protective layer on the emulsion layer and the protective layer of the backing layer contains particles comprising boron nitride.
    Type: Grant
    Filed: August 20, 1992
    Date of Patent: October 12, 1993
    Assignee: Konica Corporation
    Inventors: Shiyouji Nishio, Noriyasu Kita, Takashi Shinkai