Patents by Inventor Hideyuki Sumi

Hideyuki Sumi 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: 9901527
    Abstract: A viscous composition of the present invention comprises specific cellulose fibers (A), (A?) and (A?) and the specific cellulose fibers (A), (A?) and (A?) are used with appropriate selection according to uses of a cosmetic composition, a gel-like composition and a spray composition. Therefore, in case where the composition is used as the cosmetic composition, a cosmetic composition which is excellent in shape retention ability and dispersion stability and excellent in water tolerance to satisfy the properties and the performance which is necessary for cosmetics is obtained. Additionally, in case where the composition is used as a gel-like composition, gel-state can be kept without separation or water release. Furthermore, in case where the composition is used as a spray composition, since it is possible to time-dependently keep stable gel state even if functional additives such as electrolytes, ionic substances, etc.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: February 27, 2018
    Assignee: DAI-ICHI KOGYO SEIYAKU CO., LTD.
    Inventors: Akira Isogai, Hideyuki Sumi, Yousuke Goi
  • Patent number: 9801802
    Abstract: A viscous composition of the present invention comprises specific cellulose fibers (A), (A?) and (A?) and the specific cellulose fibers (A), (A?) and (A?) are used with appropriate selection according to uses of a cosmetic composition, a gel-like composition and a spray composition. Therefore, in case where the composition is used as the cosmetic composition, a cosmetic composition which is excellent in shape retention ability and dispersion stability and excellent in water tolerance to satisfy the properties and the performance which is necessary for cosmetics is obtained. Additionally, in case where the composition is used as a gel-like composition, gel-state can be kept without separation or water release. Furthermore, in case where the composition is used as a spray composition, since it is possible to time-dependently keep stable gel state even if functional additives such as electrolytes, ionic substances, etc.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: October 31, 2017
    Assignee: DAI-ICHI KOGYO SEIYAKU CO., LTD.
    Inventors: Akira Isogai, Hideyuki Sumi, Yousuke Goi
  • Publication number: 20160074306
    Abstract: A viscous composition of the present invention comprises specific cellulose fibers (A), (A?) and (A?) and the specific cellulose fibers (A), (A?) and (A?) are used with appropriate selection according to uses of a cosmetic composition, a gel-like composition and a spray composition. Therefore, in case where the composition is used as the cosmetic composition, a cosmetic composition which is excellent in shape retention ability and dispersion stability and excellent in water tolerance to satisfy the properties and the performance which is necessary for cosmetics is obtained. Additionally, in case where the composition is used as a gel-like composition, gel-state can be kept without separation or water release. Furthermore, in case where the composition is used as a spray composition, since it is possible to time-dependently keep stable gel state even if functional additives such as electrolytes, ionic substances, etc.
    Type: Application
    Filed: November 24, 2015
    Publication date: March 17, 2016
    Applicant: DAI-ICHI KOGYO SEIYAKU CO., LTD.
    Inventors: Akira ISOGAI, Hideyuki SUMI, Yousuke GOI
  • Publication number: 20160074305
    Abstract: A viscous composition of the present invention comprises specific cellulose fibers (A), (A?) and (A?) and the specific cellulose fibers (A), (A?) and (A?) are used with appropriate selection according to uses of a cosmetic composition, a gel-like composition and a spray composition. Therefore, in case where the composition is used as the cosmetic composition, a cosmetic composition which is excellent in shape retention ability and dispersion stability and excellent in water tolerance to satisfy the properties and the performance which is necessary for cosmetics is obtained. Additionally, in case where the composition is used as a gel-like composition, gel-state can be kept without separation or water release. Furthermore, in case where the composition is used as a spray composition, since it is possible to time-dependently keep stable gel state even if functional additives such as electrolytes, ionic substances, etc.
    Type: Application
    Filed: November 24, 2015
    Publication date: March 17, 2016
    Applicant: DAI-ICHI KOGYO SEIYAKU CO., LTD.
    Inventors: Akira ISOGAI, Hideyuki SUMI, Yousuke GOI
  • Patent number: 9248090
    Abstract: A viscous composition of the present invention comprises specific cellulose fibers (A), (A?) and (A?) which are selected according to uses of a cosmetic composition, a gel-like composition and a spray composition. By using the composition of the present invention, a cosmetic composition which is excellent in shape retention ability and dispersion stability and excellent in water tolerance to satisfy the properties and the performance which is necessary for cosmetics; a gel-like composition wherein gel-state can be kept without separation or water release; and a spray composition wherein various functional additives which is necessary for the use is mixed without any problem can be obtained.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: February 2, 2016
    Assignee: DAI-ICHI KOGYO SEIYAKU CO., LTD.
    Inventors: Akira Isogai, Hideyuki Sumi, Yousuke Goi
  • Publication number: 20120308624
    Abstract: A viscous composition of the present invention comprises specific cellulose fibers (A), (A?) and (A?) which are selected according to uses of a cosmetic composition, a gel-like composition and a spray composition. By using the composition of the present invention, a cosmetic composition which is excellent in shape retention ability and dispersion stability and excellent in water tolerance to satisfy the properties and the performance which is necessary for cosmetics; a gel-like composition wherein gel-state can be kept without separation or water release; and wherein various functional additives which is necessary for the use is mixed without any problem can be obtained.
    Type: Application
    Filed: January 22, 2010
    Publication date: December 6, 2012
    Applicant: DAI-ICHI KOGYO SEIYAKU CO., LTD.
    Inventors: Akira Isogai, Hideyuki Sumi, Yousuke Goi
  • Patent number: 5859141
    Abstract: The present invention provides a cation-modified linear copolymer which comprises, within the molecule thereof, 95 to 85 mole % of an ethylene structural unit, 0.1 to 10 mole % of an ester structural unit represented by general formula (II), 0.1 to 6 mole % of an acrylic or methacrylic acid structural unit and 1 to 12 mole % of an amide structural unit represented by general formula (IV). The copolymer and has a weight-average molecular weight of 1,000 to 100,000. When incorporated in thermoplastic resins, it shows good compatibility and results in good mechanical properties.
    Type: Grant
    Filed: October 10, 1997
    Date of Patent: January 12, 1999
    Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Takayuki Tsubaki, Hideyuki Sumi, Hiroshi Hotta
  • Patent number: 5717048
    Abstract: The present invention provides a cation-modified linear copolymer which comprises, within the molecule thereof, 95 to 85 mole % of an ethylene structural unit, 0.1 to 10 mole % of an ester structural unit represented by general formula (II), 0.1 to 6 mole % of an acrylic or methacrylic acid structural unit and 1 to 12 mole % of an amide structural unit represented by general formula (IV). The copolymer has a weight-average molecular weight of 1,000 to 100,000. When incorporated in thermoplastic resins, it shows good compatibility and results in good mechanical properties.
    Type: Grant
    Filed: December 1, 1995
    Date of Patent: February 10, 1998
    Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Takayuki Tsubaki, Hideyuki Sumi, Hiroshi Hotta
  • Patent number: 5654369
    Abstract: The invention provides a thermoplastic resin composition uniformly and permanently rendered antistatic which comprises (A) 100 parts by weight of a thermoplastic resin, (B) 3-30 parts by weight of a cationic copolymer comprising 80-98 mol % of an ethylene unit and 2-20 mol % of a cationic unit and having a weight-average molecular weight of 1,000-50,000, and (C) 0.
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: August 5, 1997
    Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Takayuki Tsubaki, Yutaka Nakayama, Hideyuki Sumi, Hiroshi Hotta
  • Patent number: 5541242
    Abstract: The present invention provides an antistatic and flame retardant thermoplastic resin composition which comprises [A] 100 weight parts of a thermoplastic resin, [B] 2.0 to 40 weight parts of a bromine-containing organic flame retardant, and [C] 1.0 to 30 weight parts of a (meth)acrylamide-based copolymer and/or a (meth)acrylate ester-based copolymer each comprising 65 to 99 mole percent of an olefin-derived structural unit (I), 0 to 15 mole percent of a (meth)acrylate-derived structural unit (II) and 1 to 35 mole percent of a (meth)acrylamide-derived or (meth)acrylate ester-derived structural unit (III), as arranged linearly, with a weight average molecular weight of 1,000 to 50,000.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: July 30, 1996
    Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Yutaka Nakayama, Hideyuki Sumi, Hiroshi Hotta
  • Patent number: 5420210
    Abstract: A novel formamide group-containing copolymer, or a salt thereof, which can be used as a high-molecular weight amino reagent, a starting material for functional high-molecular weight compounds, a starting material for adhesives, a polymer compatibilizer, a resin modifier, etc., and can undergo hydrolysis to give a copolymer containing a primary amino group, and a novel copolymer containing a primary amino group obtained by hydrolysis.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: May 30, 1995
    Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Naoki Kitazawa, Hiroshi Hotta, Hideyuki Sumi, Manabu Kikuta
  • Patent number: 5332780
    Abstract: Thermoplastic resin compositions having the following component A-1 or A-2, component B and component C:(A-1): a polymer component having a functional group capable of reacting with an amino group, or(A-2): a composition of component (A-1) and a resin that is non-reactive with an amino group and is different from the resin used in the following component B(B) a thermoplastic resin component that is non-reactive with an amino group under the conditions required to mold the entire resin composition; and(C) a graft copolymer obtained by a graft reaction of a thermoplastic polymer, with a compound (I), or a copolymer having the repeating unit (II) and the repeating unit of an ethylenic unsaturated monomer, ##STR1## wherein R.sup.1 -R.sup.4, the same or different represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or an aralkyl group.
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: July 26, 1994
    Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Naoki Kitazawa, Manabu Kikuta, Hiroshi Hotta, Yutaka Nakayama, Hideyuki Sumi
  • Patent number: 5202193
    Abstract: A linear random N-substituted acrylamide copolymer comprising 65 to 99% by mole of ethylene units, 1 to 15% by mole of acrylate units and 1 to 35% by mole of acrylamide units, the copolymer having a weight average molecular weight of 1000 to 50000, and an aqueous composition, a resin film, a laminate, recording paper and a foamed article comprising the N-substituted acrylamide copolymer, respectively. The N-substituted acrylamide copolymer is excellent in antistatic ability for thermoplastic resins and does not lower physical properties such as transparency and elongation of films and articles which are formed from a thermoplastic resin. Moreover, the N-substituted acrylamide copolymer is excellent in anti-blocking ability so that the copolymer can be suitably used for various uses.
    Type: Grant
    Filed: November 26, 1991
    Date of Patent: April 13, 1993
    Assignees: Kai-Ichi Kogyo Seiyaku Co., Ltd., Toray Industries, Inc.
    Inventors: Hideyuki Sumi, Hiroshi Hotta, Manabu Kikuta, Nario Uejyukkoku, Masashi Takeda, Osamu Wada, Tomomi Ueda, Toshiaki Doyama, Shoichi Wakatake, Kanji Tanaka
  • Patent number: 4774022
    Abstract: A conductive film-forming composition for use in the manufacture of electrostatic recording paper is provided. This composition comprises a copolymer of a diallylammonium halide derivative with a N-vinylacetamide derivative as an essential component. The conductive paper manufactured by coating or impregnating a substrate paper with this composition is of remarkably high practical value in terms of electrical conductivity, hardness, surface tackiness and solvent resistance.
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: September 27, 1988
    Assignee: Dai-Ichi Kogyo Seiyaku Co.
    Inventors: Hideyuki Sumi, Hiroshi Hotta