Patents by Inventor Syouichi Hayasibara

Syouichi Hayasibara 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).

  • Liquid Crystal Sealant and Liquid Crystal Display Cell Utilizing the Same
    Publication number: 20080274305
    Abstract: [PROBLEMS] To provide a liquid crystal sealant that exhibits high bonding strength at high temperatures even at a cell gap as narrow as =3 m, being able to provide a liquid crystal display cell of high reliability, and that with respect to the production process, is applicable to both of the conventional thermosetting sheet-fed process and jig press process. [MEANS FOR SOLVING PROBLEMS] There is provided a liquid crystal sealant comprising as essential components (a) epoxy resin, (b) curing agent containing at least one type of each of novolak resin and polyfunctional hydrazide compound, and (c) inorganic filler.
    Type: Application
    Filed: August 3, 2005
    Publication date: November 6, 2008
    Inventors: Tsutomu Namiki, Syouichi Hayasibara, Tsunetoshi Sakano, Naomi Hasumi, Naoki Toneda
  • Liquid crystal sealant, liquid crystal display device using the same and method for producing the device
    Patent number: 7101596
    Abstract: A liquid crystal sealant comprising an epoxy resin represented by the following formula (1): [Formula 1] (in the formula, n denotes an average polymerization degree and is a positive number of 0–5) as a resin component, a curing agent, a curing accelerator and an inorganic filler is excellent in screen printability as a liquid crystal sealant in making a liquid crystal display device and can provide excellent reliability in moisture resistance for the liquid crystal display device obtained).
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: September 5, 2006
    Assignees: Nippon Kayaku Kabushiki Kaisha, Sharp Kabushiki Kaisha
    Inventors: Tsunetoshi Sakano, Syouichi Hayasibara, Yasumasa Akatuka, Masahiro Hirano, Tsuyoshi Okazaki, Toshihiro Matsumoto, Nobuhiro Waka, Shogo Nishiwaki
  • Liquid crystal sealant, liquid crystal display device using the same and method for producing the device
    Publication number: 20050181145
    Abstract: A liquid crystal sealant comprising an epoxy resin represented by the following formula (1): [Formula 1] (in the formula, n denotes an average polymerization degree and is a positive number of 0-5) as a resin component, a curing agent, a curing accelerator and an inorganic filler is excellent in screen printability as a liquid crystal sealant in making a liquid crystal display device and can provide excellent reliability in moisture resistance for the liquid crystal display device obtained).
    Type: Application
    Filed: December 13, 2004
    Publication date: August 18, 2005
    Inventors: Tsunetoshi Sakano, Syouichi Hayasibara, Yasumasa Akatuka, Masahiro Hirano, Tsuyoshi Okazaki, Toshihiro Matsumoto, Nobuhiro Waka, Shogo Nishiwaki