Patents by Inventor Naomi Hasumi

Naomi Hasumi 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