Patents by Inventor Kazuo Okushio

Kazuo Okushio 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).

  • Inositol glycoside 2-O-Beta-L-arabinopyranosyl-myo-inositol
    Patent number: 4946950
    Abstract: A glycoside of inositol which has been isolated from a hot-water extract of tea leaves. The glycoside is identified from the analytical results to be 2-O-beta-L-arabinopyranosyl-myo-inositol.
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: August 7, 1990
    Assignee: Mitsui Norin Co., Ltd.
    Inventors: Yukihiko Hara, Kazuo Okushio, Kanzo Sakata
  • Complex of tea-leaf extract and active aluminum hydroxide
    Patent number: 4913909
    Abstract: Extract of tea leaves or (-)-epigallocatechin gallate as the principal ingredient of the extract forms a complex with active aluminum hydroxide. The animal test using rats has established that these complexes have therapeutic effect for gastric ulcers, e.g. pylorus-ligated ulcer and indomethacin-induced ulcer, when orally administered. Tests were also undertaken for the effect on the secretion of gastric juice and acute toxicity of these complexes using rats and mice as the test animals.
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: April 3, 1990
    Assignee: Mitsui Norin Co., Ltd.
    Inventors: Yukihiko Hara, Hajime Asai, Tadashi Kitamikado, Hajimu Yamamoto, Kazuo Okushio, Kozo Nakamura