Patents by Inventor Eiichi Ueda

Eiichi Ueda 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: 5879790
    Abstract: A thermal transfer recording medium is provided which comprises: a foundation; a release layer; a fine-particle-containing layer containing a binder comprising a heat-meltable resin as a principal component thereof and fine particles dispersed therein; and a color ink layer containing a binder comprising a heat-meltable resin as a principal component thereof; the release layer, the fine-particle-containing layer and the color ink layer being provided on one side of the foundation in this order.
    Type: Grant
    Filed: March 5, 1996
    Date of Patent: March 9, 1999
    Assignee: Fujicopian Co., Ltd.
    Inventors: Jun Sogabe, Eiichi Ueda
  • Patent number: 5840471
    Abstract: A method for processing a silver halide photographic light-sensitive material is disclosed.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: November 24, 1998
    Assignee: Konica Corporation
    Inventors: Naoko Fukuwatari, Eiichi Ueda, Yasuo Kurachi
  • Patent number: 5800972
    Abstract: An image recording material improved in its physical property is disclosed, comprising composite polymer particles which comprise inorganic particles and a hydrophobic polymer compound containing a repeating unit represented by the following formula. The composite polymer particles are formed by polymerizing, in the presence of the inorganic particles, a composition containing a hydrophobic monomer.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: September 1, 1998
    Assignee: Konica Corporation
    Inventors: Chiaki Kotani, Kiyokazu Morita, Eiichi Ueda, Yasuo Kurachi
  • Patent number: 5453351
    Abstract: A silver halide photographic light-sensitive material is disclosed. The light-sensitive material comprises a support comprising a substrate and an electron beam-cured resin layer provided on a surface of the substrate, and a hydrophilic colloid layer provided on said resin layer. The resin layer comprises an electron beam-curable composition cured by electron beam radiation and a white pigment in an amount of 20% to 70% by weight. The hydrophilic colloid layer includes at least one silver halide emulsion layer and optionally a non-light-sensitive hydrophilic colloid layer, and contains gelatin and an oil component. In the light-sensitive material, the curling degree of the support R m.sup.-1, the coating amount of the gelatin G g/m.sup.2, and the coating amount of the oil component Oi g/m.sup.2 are each -8.ltoreq.R.ltoreq.-1, 2.ltoreq.G.ltoreq.20 and 0.ltoreq.Oi.ltoreq.20, respectively, and a value Y calculated by the following equation is -3.ltoreq.Y.ltoreq.5;Y=0.9G-0.
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: September 26, 1995
    Assignee: Konica Corporation
    Inventors: Eiichi Ueda, Masahito Takada
  • Patent number: 5424175
    Abstract: A method of processing a silver halide color light-sensitive material is disclosed. The material has a silver halide emulsion layer on one side of a photographic support of less than 100 .mu.m thickness and a backing layer on the other side and is processed while being conveyed in a developing machine, wherein the conveying tension in the processing machine is not more than 700 g, and the following formula applies:(30.times.D)+(2.times.E)-(600.times..mu.k).gtoreq.3,000wherein D is the thickness (.mu.m) of the photographic support; E is the Young modulus of elasticity (kg/mm.sup.2) of the photographic support in a wet state; .mu.k is the coefficient of friction between the backing layer and the conveying roller in the processing machine in the wet state.The method provides continuous efficient processing with good film conveyability, with no folding on sides of the silver halide photographic light-sensitive material during processing using a developing machine.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: June 13, 1995
    Assignee: Konica Corporation
    Inventors: Eiichi Ueda, Hiromitsu Araki, Tohru Kobayashi, Kazuo Kato
  • Patent number: 5380630
    Abstract: Disclosed is a color photographic product having a patrone and a silver halide color photographic material rolled in said patrone, which said silver halide color photographic material comprises;a support having a thickness of 90 .mu.m or less,a backing layer on a first face of said support,a silver halide emulsion layer and a protective layer on a second face of said support,wherein each outermost layer on said first and second face has a coefficient of kinetic friction of 0.33 or less with respect to a velvet attached to an opening of said patrone and said opening has a gap of 0.5 to 2.9 mm.A silver halide photographic light-sensitive material according to this invention is improved in flaw resistance, image sharpness and film abrasion resistance.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: January 10, 1995
    Assignee: Konica Corporation
    Inventors: Yoshihiro Mochizuki, Eiichi Ueda, Toshiyuki Ikariya
  • Patent number: 5376516
    Abstract: A silver halide photographic light-sensitive material is disclosed, which comprises a support and a silver halide photographic emulsion layer and a protective layer provided in that order on a first side of the support, and a backing layer and a protective backing layer provided in that order on a second side of the support opposite to the silver halide photographic emulsion layer, an outermost layer of the material containing a fluorine-containing anionic surfactant and a fluorine-containing cationic surfactant and an outermost layer on the second side of the support containing a compound represented by the Following formula (A) or (B):Formula (A) RCOOMFormula (B) R.sub.1 --CO--O--X--O--CO--R.sub.2.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: December 27, 1994
    Assignee: Konica Corporation
    Inventors: Yoshihiro Mochizuki, Eiichi Ueda
  • Patent number: 5360708
    Abstract: A silver halide photographic light-sensitive material comprises a polyester film support having curling in the lateral direction, a first side of the support being curled outwardly and a second side of the support being curled inwardly, a silver halide emulsion layer provided on the first side of the support, and a backing layer provided on the second side of the support, the ratio of the total gelatin content per unit area of the backing layer to that of the silver halide emulsion layer being within the range of from 0.05 to 0.7.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: November 1, 1994
    Assignee: Konica Corporation
    Inventors: Masahito Takada, Eiichi Ueda, Hiromitsu Araki, Toru Kobayashi
  • Patent number: 5334494
    Abstract: A silver halide photographic light-sensitive material, having provided at least one silver halide emulsion layer on a support and a back coating layer on the other side thereof, wherein the support has a loss modules at 50.degree.C. of 0.03 or more, is disclosed. The back coating layer has a gelatin content of 6 g/m.sup.2 or less, and the ratio of the gelatin content of the back coating layer to that of the emulsion layer was 0.3 or more.
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: August 2, 1994
    Assignee: Konica Corporation
    Inventors: Eiichi Ueda, Fumie Fukazawa, Toshihiko Yagi
  • Patent number: 5312725
    Abstract: A silver halide color photographic light-sensitive material in roll form comprises a support, and provided thereon, a silver halide emulsion layer and, on the side of the support opposite the silver halide emulsion layer, a backing layer containing gelatin and a hardener, wherein the backing layer has a degree of swelling of 250% or less represented by the following equation:Degree of swelling=[(A-C)/(B-C)].times.100.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: May 17, 1994
    Assignee: Konica Corporation
    Inventors: Hiromitsu Araki, Tohru Kobayashi, Eiichi Ueda
  • Patent number: 5294525
    Abstract: Disclosed is a silver halide photographic light-sensitive material comprising;a support having a first side and a second side which is opposite to said first side;a silver halide emulsion layer provided on said first side: anda recording medium provided on said second side, wherein said recording medium comprising a magnetic layer having a magnetic powder and a first binder, and a conductive layer which contains a conductive particle and a second binder,said conductive particle being essentially consisting of one of crystalline metal oxide selected from the group consisting of ZnO, TiO.sub.2, SnO.sub.2, Al.sub.2 O.sub.3, In.sub.2 O.sub.3 and SiO.sub.2, and a complex oxide thereof.A silver halide photographic light sensitive material according to this invention is capable of magnetic recording, high in light transmitting property, and excellent in antistatic property and film feeding property.
    Type: Grant
    Filed: April 21, 1992
    Date of Patent: March 15, 1994
    Assignee: Konica Corporation
    Inventors: Yasuhisa Yamauchi, Yoshitaka Yasufuku, Eiichi Ueda
  • Patent number: 5248522
    Abstract: A method for manufacturing a polyester film is disclosed which comprises a polyester film before completion of orienting crystalization and, provided thereon, a sublayer comprising a copolymer containing 70 to 99.5 wt % of vinylidene chloride, and an antistatic layer comprising an ionic polymer, in that order. A coating solution is coated on the polyester film to form the sublayer with a dry thickness of 1 to 20 g/m.sup.2. The total solid content of the coating solution is not less than 4 wt %, and the coating solution contains a latex of the copolymer with an average particle size of 0.05 to 0.3 .mu.m. Heat is applied at a temperature not less than 30.degree. higher than the melting point of the copolymer, and the antistatic layer is formed on the sublayer.
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: September 28, 1993
    Assignee: Konica Corporation
    Inventors: Hiromitsu Araki, Takatoshi Yajima, Eiichi Ueda
  • Patent number: 5209985
    Abstract: An antistatic plastic film is disclosed. The film comprises a plastic base film and provided thereon a layer containing a polyvinylidene chloride and an antistatic layer containing an ionic polymeric compound in that order.
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: May 11, 1993
    Assignee: Konica Corporation
    Inventors: Eiichi Ueda, Masahito Takada
  • Patent number: 5137802
    Abstract: A silver halide photographic material having a layer containing an electrically conductive material formed on one surface of a support and at least one silver halide emulsion layer formed on the other surface of the support is disclosed, wherein the outermost layer on the side where the silver halide emulsion layer is formed contains an organopolysiloxane and a nonionic surfactant having a polyoxyethylene unit, the latter being optionally combined with, or replaced by, a fluorine-containing compound.
    Type: Grant
    Filed: December 28, 1990
    Date of Patent: August 11, 1992
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Eiichi Ueda, Noriki Tachibana, Nobuaki Kagawa, Minoru Ishikawa, Hideo Ota
  • Patent number: 4956270
    Abstract: A silver halide photographic material that has at least one hydrophilic colloidal layer on a support is disclosed, wherein said at least one hydrophilic colloidal layer contains an organic fluoro-compound and/or a nonionic surfactant having a polyoxuehylene unit and is hardened with a high-molecular weight hardening agent.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: September 11, 1990
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Noriki Tachibana, Eiichi Ueda, Nobuaki Kagawa, Hideo Ota
  • Patent number: 4935338
    Abstract: A silver halide photographic material is disclosed, which has at least one silver halide emulsion layer on a support, said silver halide emulsion layer containing a latex which has been stabilized by a protective colloid which is at least one substance selected from among natural water-soluble polymers, derivatives thereof, and synthetic hydrophilic polymers having at least one nonionic group and at least one anionic group in the molecular structure.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: June 19, 1990
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kosaku Masuda, Eiichi Ueda, Noriki Tachibana
  • Patent number: 4576911
    Abstract: A silver halide color photographic light-sensitive material containing a magenta dye-forming polymeric coupler.
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: March 18, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Noboru Mizukura, Noboru Fujimori, Kosaku Masuda, Shinji Yoshimoto, Noriki Tachibana, Eiichi Ueda