Patents by Inventor Takao Aizawa

Takao Aizawa 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).

  • Photopolymerizable resin material composition comprising fluorinated (meth)acrylates
    Patent number: 5624974
    Abstract: A photopolymerizable resin material composition for forming a polymer used for a liquid crystal display apparatus includes at least one acrylate compound selected from the group consisting of a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8, a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.ltoreq..alpha.<0.8, a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8, a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8 and a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8 and a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8, and a photopolymerization delaying resin material.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: April 29, 1997
    Assignees: Sharp Kabushiki Kaisha, Nippon Kayaku Co., Ltd.
    Inventors: Noriaki Onishi, Nobuaki Yamada, Shuichi Kohzaki, Daisaku Matsunaga, Takao Aizawa, Toru Ozaki
  • Composition for water proof sheets
    Patent number: 5137947
    Abstract: A composition for producing a water-proof sheet comprising 100 weight parts of a linear ethylene-alpha-olefin copolymer having a density equal to or less than 0.910 g/ml, and 10-200 weight parts of asphalt. Water proof sheets produced from the composition are also included in the invention.In a preferred mode, the composition also includes an organic peroxide.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: August 11, 1992
    Assignees: Nippon Unicar Company Ltd., Bridgestone Corporation
    Inventors: Kazuyuki Isobe, Takao Aizawa, Noboru Yamaguchi, Yutaka Ueda
  • Composition for water proof sheets
    Patent number: 5068270
    Abstract: A composition for producing a water-proof sheet comprising 100 weight parts of a linear ethylene-alpha-olefin copolymer having a density equal to or less than 0.910 g/ml, and 10-200 weight parts of asphalt. Water proof sheets produced from the composition are also included in the invention.In a preferred mode, the composition also includes an organic peroxide.
    Type: Grant
    Filed: December 27, 1989
    Date of Patent: November 26, 1991
    Assignees: Nippon Unicar Company Limited, Bridgestone Corporation
    Inventors: Kazuyuki Isobe, Takao Aizawa, Noboru Yamaguchi, Yutaka Ueda
  • Process and composition for producing open-cell cross linked polyolefin foam
    Patent number: 4499210
    Abstract: A composition suitable for open-cell polyolefin foam which comprises 100 parts by weight of olefin resin, 1 to 20 parts by weight of blowing agent, 0.3 to 10 parts by weight of organic peroxide crosslinking agent, 0.1 to 10 parts by weight of trifunctional monomer, and 1 to 5 parts by weight of silicone oil or a derivative thereof.
    Type: Grant
    Filed: December 15, 1983
    Date of Patent: February 12, 1985
    Assignee: Union Carbide Corporation
    Inventors: Akitaka Senuma, Takao Aizawa
  • Process and composition for producing open-cell cross linked polyolefin foam
    Patent number: 4424181
    Abstract: A composition suitable for open-cell polyolefin foam which comprises 100 parts by weight of olefin resin, 1 to 20 parts by weight of blowing agent, 0.3 to 10 parts by weight of organic peroxide crosslinking agent, 0.1 to 10 parts by weight of trifunctional monomer, and 1 to 5 parts by weight of silicone oil or a derivative thereof.
    Type: Grant
    Filed: October 13, 1982
    Date of Patent: January 3, 1984
    Assignee: Nippon Unicar Company
    Inventors: Akitaka Senuma, Takao Aizawa