Patents by Inventor Nobuhiro Shibuya

Nobuhiro Shibuya 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).

  • Coating composition for recording material and process for producing recording material
    Patent number: 6001165
    Abstract: A coating composition for a recording material and a process for producing the recording material are provided, wherein the coating composition includes an aluminum alkoxide, a binder and a hydrophilic solvent.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: December 14, 1999
    Assignee: Oji-Yuka Synthetic Paper Co., Ltd.
    Inventors: Nobuhiro Shibuya, Toshiyuki Hirabe, Koichi Asami, Masahiro Satoh, Hajime Kanbara
  • Porous molded article
    Patent number: 5939181
    Abstract: A porous molded article having microvoids therein which comprises a stretched product of a resin molded material made up of, as the base material, an olefinic resin composition containing from 95 to 50% by weight of a crystalline olefinic resin component (A) and from 5 to 50% by weight of a polymer of a cyclic olefin having a weight average molecular weight of not less than 1,000 and less than 10,000 and a glass transition point of from 180 to 400.degree. C. component (B).
    Type: Grant
    Filed: September 10, 1997
    Date of Patent: August 17, 1999
    Assignee: Oji-Yuka Synthetic Paper Co., Ltd.
    Inventors: Yuuta Kumano, Mitsutoshi Aritomi, Kenji Takasaki, Osamu Nishizawa, Nobuhiro Shibuya, Hisao Ochiai, Kenji Nakajima
  • Resin composition
    Patent number: 5162435
    Abstract: A resin composition comprising 20-77 wt. % of polyolefin (A), 20-77 wt. % of polyphenylene ether resin (B), 2-50 wt. % of polymer (C) combining alkenyl aromatic comound polymerization chain and aliphatic hydrocarbon chain in the same molecule, and 1-25 wt. % of ester group containing ethylene copolymer (D).
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: November 10, 1992
    Inventors: Nobuhiro Shibuya, Takeyoshi Nishio
  • Polyphenylene ether-polyamide resin composition
    Patent number: 4968749
    Abstract: A resin composition comprising (a) a polyphenylene ether resin, (b) a non-crystalline or low-crystalline polyamide resin, (c) a crystalline polyamide resin and, if desired, (d) a polar compound or a low-molecular diene polymer or the component (d) and (e) a rubbery polymer or an alkenyl aromatic compound/conjugated diene copolymer or a hydrogeneration product thereof. The composition is excellent in both impact strength, particularly on a plane part of a plate-molded article, and dimensional stability.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: November 6, 1990
    Assignee: Mitsubishi Petrochemical Company, Ltd.
    Inventors: Nobuhiro Shibuya, Kiyoji Takagi, Satoru Hattori, Tatsuo Kobayashi, Hironari Sano
  • Polyphenylene ether composition
    Patent number: 4863997
    Abstract: A polyphenylene ether composition comprising (a) a polyolefin resin, (b) a polyphenylene ether resin, and (c) a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene which contains more than 45% by weight and up to 80% by weight of a repeating unit derived from the alkenyl aromatic compound. The composition has a high flexural modulus and excellent mechanical properties, such as impact resistance.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: September 5, 1989
    Assignees: Mitsubishi Petrochemical Co, Ltd., Toyota Jidosha Kabushiki Kiasha
    Inventors: Nobuhiro Shibuya, Hideyuki Takahashi, Takeyoshi Nishio
  • Resin composition of polyphenylene ether and polyamide
    Patent number: 4743651
    Abstract: A resin composition comprising a resin component comprising a polyphenylene ether resin and a polyamide resin, an aromatic vinyl compound-conjugated diene block copolymer, and a compound having an unsaturated group and a polar group in the molecule thereof. The composition is excellent in impact strength both at low temperature and room temperature, tensile elongation indicative of toughness, and organic solvent resistance.
    Type: Grant
    Filed: November 20, 1986
    Date of Patent: May 10, 1988
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Nobuhiro Shibuya, Yoshihiro Sobajima, Hironari Sano
  • Composite molded product
    Patent number: 4659618
    Abstract: A composite molded product according to the present invention has the structure that an olefin-based resin molded product and a urethane foam are integrally laminated with an adhesive resin layer of the invention.
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: April 21, 1987
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Takao Yazaki, Satoru Hattori, Kazuhide Hattori, Takumi Matsuno, Nobuhiro Shibuya, Kazuhide Hayama, Isao Itoh