Patents by Inventor Tadashi Kitamikado

Tadashi Kitamikado 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).

  • 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
  • Pyrazole derivatives and process for preparing the same
    Patent number: 3953467
    Abstract: Pyrazole derivatives represented by the formula ##SPC1##Wherein R, X, R.sub.2 and R.sub.3 are hereinafter defined, which are useful as analgesics and anti-inflammatory agents and a process for preparing the pyrazole derivatives are disclosed.
    Type: Grant
    Filed: April 17, 1974
    Date of Patent: April 27, 1976
    Assignee: Maruko Seiyaku Co., Ltd.
    Inventors: Hajime Fujimura, Mikio Hori, Osamu Ootani, Sachio Ohno, Tadashi Kitamikado, Kiyoshi Kato, Mitsuaki Nagasaka