Patents by Inventor Seiichiro Kishida

Seiichiro Kishida 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: 5059580
    Abstract: A thermal transfer image receiving material is described, comprising a support of a paper comprising natural pulp as a principal component and having thereon a laminate layer of a thickness from 5 to 35 .mu.m comprising a polyolefin resin as a principal component.
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: October 22, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takeshi Shibata, Seiichiro Kishida
  • Patent number: 5043258
    Abstract: A silver halide photographic emulsion is described which has excellent color-sensitizing efficiency by sensitizing dyes, sharpness, covering power, and pressure resistant properties, wherein the grains are comprised of core/shell type grains having contained therein a partially halogen-converted silver salt phase, the silver salt comprising silver halochloride, silver thiocyanate or silver citrate.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: August 27, 1991
    Assignee: Fuji Photo Film Co.
    Inventors: Mikio Ihama, Yuji Kume, Koji Tamoto, Hiroshi Takehara, Hiroshi Ayato, Yoichi Suga, Seiichiro Kishida
  • Patent number: 4992414
    Abstract: A thermal transfer receiving sheet adapted to receiving a dye from a thermal transfer sheet containing a dye capable of being sublimed or rendered mobile by heat, wherein said thermal receiving sheet comprises at least one receiving layer for receiving dye provided on a base sheet, and said base sheet comprises a support having at least one hydrophilic binder provided on the support between the support and the receiving layer.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: February 12, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiichiro Kishida, Toshiaki Aono, Tetsu Kamosaki
  • Patent number: 4888272
    Abstract: A method for preparing a silver halide photographic emulsion is disclosed, comprising silver halide grains having silver halide protrusions on the surface of the silver halide grain matrix, wherein the silver halide grain matrix is chemically sensitized and then the silver halide protrusions are formed on the surface of the thus chemically sensitized silver halide grain matrix.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: December 19, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiichiro Kishida, Minoru Sato
  • Patent number: 4814264
    Abstract: A silver halide light-sensitive material is disclosed, comprising a support having thereon at least one light-sensitive silver halide emulsion layer comprising silver halide grains and a binder, at least about 50 wt % of said silver halide grains comprising a silver halide grain matrix having thereon from about 10 to 10,000 protrusions per square micrometer of grain matrix surface, said individual protrusions having an average projected area diameter of up to about 0.15 .mu.m, and a halogen composition of said protrusions differing from that of the grain matrix; said silver halide emulsion being chemically sensitized with at least one compound selected from the group consisting of a sulfur compound, a selenium compound, a reducing compound and a noble metal compound; and said silver halide emulsion being spectrally sensitized with a methine dye.
    Type: Grant
    Filed: December 17, 1987
    Date of Patent: March 21, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiichiro Kishida, Minoru Sato