Patents by Inventor Toshiaki Shibue

Toshiaki Shibue 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: 6503581
    Abstract: A film for a liquid crystal display comprising a fatty acid cellulose ester film having an acetyl group and a propionyl group is disclosed. The sum of degree of acetyl substitution (DSac) and degree of propionyl substitution (DSpr) of the fatty acid cellulose ester film of the film is 2.8 of less, and a retardation value (Rt value) in the thickness direction defined by Formula 1 is 60 to 300 nm.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: January 7, 2003
    Assignee: Konica Corporation
    Inventors: Toshiaki Shibue, Makoto Honda, Nobuo Kubo, Noriyasu Kuzuhara, Hiroki Umeda, Sota Kawakami, Takatoshi Yajima
  • Publication number: 20010033921
    Abstract: A support for rolled light-sensitive photographic materials is disclosed. The support is composed of at least three polyester films laminated, in which outer layers are comprised of copolyester; at least one interlayer is comprised of the mixture of said copolyester and homopolyester; the total film thickness is between 105 and 130 &mgr;pm; the total thickness of interlayers is between 45 and 85 &mgr;m; and the ratio of said copolyester in the mixture layer of said copolyester and said homopolyester is between 10 and 40 percent by weight.
    Type: Application
    Filed: January 26, 2001
    Publication date: October 25, 2001
    Inventors: Hirokazu Koyama, Toshiaki Shibue
  • Patent number: 6036913
    Abstract: Disclosed is a method of manufacturing a cellulose ester film, the method comprising the steps of dissolving a cellulose ester and a plasticizer in a solvent containing a cyclic diether solvent to obtain a cellulose ester solution, casting the solution on a support to form a cellulose ester film, separating the cellulose ester film from the support, and drying the separated film, wherein the water content of the solution is 0.06 to 15 weight %, and the residual solvent content in the film at the separation step is 50 to 450 weight %.
    Type: Grant
    Filed: February 24, 1998
    Date of Patent: March 14, 2000
    Assignee: Konica Corporation
    Inventors: Toshiaki Shibue, Toshiyuki Hagiwara, Katsuhito Yamanaka
  • Patent number: 5955251
    Abstract: A method for producing an information recording medium is disclosed. The method comprising the steps of (1) applying a surface treatment on a surface of a film support so that the atomic percentage of oxygen at said surface is increased by 1.0 atomic-% to 10 atomic-% compared to the atomic percentage of oxygen at said surface before treatment, (2) providing a subbing layer comprising a water-soluble or water-dispersible polymer having a 2-oxazoline group represented by Formula A on said treated surface of the film support so that the subbing layer is directly adjoined to said surface, and (3) providing an information recording layer on said subbing layer, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently a hydrogen atom, a halogen atom, an alkyl group, an aralkyl group, a phenyl group.
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: September 21, 1999
    Assignee: Konica Corporation
    Inventors: Hirokazu Koyama, Makoto Honda, Toshiaki Shibue
  • Patent number: 4908304
    Abstract: This invention is a silver halide photographic light-sensitive material comprising a paper support bearing thereon at least one silver halide emulsion layer containing a hydroxytetrazaindene.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: March 13, 1990
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shinichi Nakamura, Toshiaki Shibue
  • Patent number: 4731292
    Abstract: A magnetic recording medium is disclosed which comprises a support, and a magnetic layer comprising a specific binder resin, a fatty acid or a fatty acid ester and a magnetic particle. The binder resin comprises a monomer unit of vinyl chloride, a monomer unit having an alkalin metal salt of sulfonic acid or an alkaline salt of phosphoric acid and a monomer unit having an epoxy group. The magnetic recording medium is improved in a dispersibility of magnetic particles, a durability for still picture reproduction, a stability in running and in a S/N ratio of luminance.
    Type: Grant
    Filed: November 14, 1986
    Date of Patent: March 15, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kunitsuna Sasaki, Yoshitaka Yasufuku, Toshiaki Shibue, Kazumasa Matsumoto
  • Patent number: 4594315
    Abstract: A light-sensitive silver halide photographic element having (a) a cured coated layer on at least one surface of a support material, said cured coated layer having been formed by curing a composition with electron beam radiation, said composition prior to curing comprising (i) a compound having two or more unsaturated double bonds in its molecule which is curable by electron beam irradiation, (ii) an inorganic white pigment and (iii) a coupling agent having two or more different reactive groups in its molecule, one of said reactive groups being chemically reactive with the inorganic white pigment to form a chemical bond therewith and said other reactive group being chemically reactive with said compound (i) to form a chemical bond therewith and (b) at least one layer of silver halide emulsion on said coated layer.
    Type: Grant
    Filed: September 6, 1984
    Date of Patent: June 10, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshiaki Shibue, Koichi Nagayasu
  • Patent number: 4554175
    Abstract: Disclosed is a method of producing a support for a photographic paper, which comprises applying primary irradiation of electron beams to at least one coated layer formed on one side or both sides of a substrate and curable by irradiation of electron beams, bringing the surface of said coated layer into contact with a form member and then peeling it from the form member, followed by applying secondary irradiation of electron beams to the coated layer. The primary irradiation is carried out in the manner that the surface of the coated layer may hold shapes substantially corresponding to shapes on the surface of the form member at the stage where the coated layer has been peeled off from the form member.
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: November 19, 1985
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshiaki Shibue, Koichi Nagayasu
  • Patent number: 4363871
    Abstract: A multi-layer light-sensitive photographic material comprising a support and a light-sensitive layer, which have a surface layer which does not adhere even under a high temperature and high humidity conditions when the front surface layer thereof is contacted with the other surface layer and which is hardly subject to scratching and free from the so-called "blooming" phenomenon.The light-sensitive material according to this invention comprises, in at least one of the front and back sides thereof, at least one light-insensitive layer containing a high polymer having at least 20% by weight of a repeating unit represented by the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or a methyl group, and R.sup.2 represents a straight chain alkyl group having 12 to 24 carbon atoms.
    Type: Grant
    Filed: April 27, 1981
    Date of Patent: December 14, 1982
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshiaki Shibue, Koichi Nagayasu, Tohru Kobayashi, Kouji Tokitou
  • Patent number: 4267266
    Abstract: A photographic film having at least one light-sensitive silver halide emulsion layer on one side of a support and at least one reverse side layer on the other side thereof which comprises, in said reverse side layer, a compound represented by formula [I]: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent a hydrogen atom or an aliphatic acyl group having from 12 to 24 carbon atoms provided that at least three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent an aliphatic acyl group having from 12 to 24 carbon atoms, and a tertiary amine.
    Type: Grant
    Filed: August 1, 1979
    Date of Patent: May 12, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshiaki Shibue, Koichi Nagayasu
  • Patent number: 4255515
    Abstract: A photographic film which comprises (A) a support, having two sides, (B) at least one light-sensitive emulsion layer on one side of said support (A), and, (C) at least one layer containing a compound represented by formula [I]and a hydrophobic polymer (first layer) and at least one layer containing an antistatic agent (second layer), said first and second layers being placed on the other side of said support (A) and said first layer being placed closer to said support (A) than said second layer: ##STR1## wherein, R.sub.1 represents a carboxylic acid residue having from 12 to 24 carbon atoms and R.sub.2, R.sub.3 and R.sub.4 represent independently hydrogen atoms or organic acid residues having from 1 to 24 carbon atoms.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: March 10, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshiaki Shibue, Koichi Nagayasu, Masayoshi Mayama, Masao Ishihara, Naoto Abe