Patents by Inventor Katsuya Nishino

Katsuya Nishino 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).

  • Dry process silver salt photosensitive material and image forming method making use of this dry process silver salt photosensitive material
    Patent number: 5547831
    Abstract: A dry process silver salt photosensitive material has a support and provided thereon a photosensitive layer containing at least an organic silver salt, a reducing agent and a photosensitive silver halide or a photosensitive silver halide forming component. The photosensitive layer is incorporated with a compound selected from the compounds (i), (ii) and (iii).
    Type: Grant
    Filed: November 16, 1993
    Date of Patent: August 20, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuro Fukui, Motokazu Kobayashi, Takehiko Ohi, Kazunori Ueno, Kenji Kagami, Masao Suzuki, Katsuya Nishino
  • Dry process silver salt photosensitive material and image forming method making use of the dry process silver salt photosensitive material
    Patent number: 5543286
    Abstract: A dry process silver salt photosensitive material is disclosed which has a support and a photosensitive layer. The photosensitive layer contains at least a photosensitive silver halide or photosensitive silver halide forming component, an organic silver salt and a pyrrole compound. The photosensitive material has a broad latitude for heat development and can form images with a high contrast.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: August 6, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazunori Ueno, Tetsuro Fukui, Motokazu Kobayashi, Takehiko Ooi, Kenji Kagami, Masao Suzuki, Katsuya Nishino
  • Heat developable photosensitive material and image forming method which uses the same
    Patent number: 5529889
    Abstract: A heat-developable photosensitive material including a photosensitive layer formed on a support, the photosensitive layer at least containing an organic silver salt, a reducing agent, either a photosensitive silver halide or a photosensitive silver halide forming agent, and a sensitizing dye of the following general formula (I): ##STR1## where r is hydrogen, halogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkoxyl, substituted or unsubstituted aryl or substituted amino; r.sup.1 and r.sup.2 are each substituted or unsubstituted aryl or r.sup.1 and r.sup.2 are bonded to each other to form a condensed ring; r.sup.3, r.sup.4 and r.sup.5 are each hydrogen, substituted or unsubstituted alkyl, alkenyl, substituted or unsubstituted aryl, or substituted or unsubstituted aralkyl; X.sup.1 is oxygen, sulfur, carbon, nitrogen or selenium, wherein when X.sup.1 is carbon or nitrogen, then X.sup.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: June 25, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromi Ueda, Tetsuro Fukui, Takehiko Ooi, Kenji Kagami, Masao Suzuki, Katsuya Nishino, Tetsuya Higuchi
  • Thermal developing photosensitive member and image forming method using the thermal developing photosensitive member
    Patent number: 5482814
    Abstract: A heat developing photosensitive member including: a photosensitive layer containing at least an organic silver salt, a reducing agent and a photosensitive silver halide or a photosensitive silver halide forming agent; and a supporting member for supporting the photosensitive layer thereon, wherein merocyanine dye having a structure in which a thiazole nucleus or selenazole nucleus and hydantoin nucleus, thiohydantoin nucleus or selenohydantoin nucleus are combined with each other by a combining group having a methine group is contained in the photosensitive layer.
    Type: Grant
    Filed: July 15, 1994
    Date of Patent: January 9, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takehiko Ooi, Tetsuro Fukui, Motokazu Kobayashi, Kazunori Ueno, Kenji Kagami, Masao Suzuki, Katsuya Nishino
  • Heat-developable photosensitive material
    Patent number: 5424174
    Abstract: A heat-developable photosensitive material is disclosed which has a support and a photosensitive layer containing at least an organic silver salt, a silver halide and a reducing agent, a water-soluble polymeric layer containing a water-soluble polymeric material, and a hydrophobic polymeric layer containing a hydrophobic polymeric material.
    Type: Grant
    Filed: September 15, 1994
    Date of Patent: June 13, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kobayashi Motokazu, Tetsuro Fukui, Miki Tamura, Kenji Kagami, Masao Suzuki, Katsuya Nishino
  • Heat-developable photosensitive material
    Patent number: 5370987
    Abstract: A heat-developable photosensitive material is disclosed which has a support and a photosensitive layer containing at least an organic silver salt, a silver halide and a reducing agent, a water-soluble polymeric layer containing a water-soluble polymeric material, and a hydrophobic polymeric layer containing a hydrophobic polymeric material.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: December 6, 1994
    Assignee: Canon Kabushiki Kaisha
    Inventors: Motokazu Kobayashi, Tetsuro Fukui, Miki Tamura, Kenji Kagami, Masao Suzuki, Katsuya Nishino