Patents by Inventor Tatsuhiko Kono

Tatsuhiko Kono 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).

  • 4-quinolone derivatives having anti-inflammatory, anti-allergic, antitussive, expectorant and antithrombotic activity
    Patent number: 4711898
    Abstract: 4-Quinolone derivatives of the present invention are useful for their anti-inflammatory, anti-allergenic, antitussive, expectorant and antithrombotic activity. Pharmaceutical compositions containing said compounds and pharmaceutically acceptable salts thereof and methods of treating humans and animals are described herein.
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: December 8, 1987
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Hiroshi Enomoto, Tadatoshi Nomura, Yoshiaki Aoyagi, Shoichi Chokai, Yukio Fujita, Tatsuhiko Kono, Masao Murase, Kichiro Inoue, Masahiro Adachi
  • Pharmaceutically active 4-hydroxy-3-benzoyl-2-quinolone derivatives
    Patent number: 4526894
    Abstract: 4-Hydroxy-2-quinolone derivatives are useful for their anti-inflammatory, anti-allergenic, antitussive and expectorant activity. Pharmaceutical compositions containing said compounds and pharmaceutically acceptable salts thereof and methods of treating humans and animals are described herein.
    Type: Grant
    Filed: June 21, 1983
    Date of Patent: July 2, 1985
    Assignee: Nippon Shinyaku Co. Ltd.
    Inventors: Hiroshi Enomoto, Tadatoshi Nomura, Yoshiaki Aoyagi, Shoichi Chokai, Tatsuhiko Kono, Masao Murase, Kichiro Inoue, Masahiro Adachi
  • 9H-Pyrido[3,4-b]indole derivatives
    Patent number: 4241064
    Abstract: 1-Substituted-9H-pyrido[3,4-b]indole derivatives, which are further optionally substituted in the 3- or 4-position, are inhibitors of xanthine-oxidase. A representative embodiment is 1-formyl-4-hydroxy-9H-pyrido[3,4-b]indole which can be prepared through the processing of Picrasma quassioides.
    Type: Grant
    Filed: October 10, 1979
    Date of Patent: December 23, 1980
    Assignee: Nippon Shinyaku Co. Ltd.
    Inventors: Shingo Matsumura, Hiroshi Enomoto, Yoshiaki Aoyagi, Yoshitsugu Nomiyama, Tatsuhiko Kono, Masato Matsuda, Haruo Tanaka
  • Process for the isolation of 2-hydroxymethyl-3,4,5-trihydroxypiperidine from plant material
    Patent number: 4137231
    Abstract: 2-Hydroxymethyl-3,4,5-trihydroxypiperidine is obtained from the mulberry plant through extraction, optionally with further purification through ion exchange or chromatographic treatment.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: January 30, 1979
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Hiromu Murai, Hiroshi Enomoto, Yoshiaki Yoshikuni, Tatsuhiko Kono, Masahiro Yagi
  • Method and composition for reducing blood glucose levels
    Patent number: 4065562
    Abstract: 2-Hydroxymethyl-3,4,5-trihydroxypiperidine possesses antidiabetic and lipid biosynthesis inhibitory properties. The use of the compound for such indications and pharmaceutical compositions adapted to this use are described.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: December 27, 1977
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Katsuya Ohata, Hiroshi Enomoto, Yoshiaki Yoshikuni, Tatsuhiko Kono, Masahiro Yagi
  • Method and composition for reducing blood glucose levels
    Patent number: RE30886
    Abstract: 2-Hydroxymethyl-3,4,5-trihydroxypiperidine possesses antidiabetic and lipid biosynthesis inhibitory properties. The use of the compound for such indications and pharmaceutical compositions adapted to this use are described.
    Type: Grant
    Filed: December 15, 1978
    Date of Patent: March 23, 1982
    Assignee: Nippon Shinyaku Company Ltd.
    Inventors: Katsuya Ohata, Hiroshi Enomoto, Yoshiaki Yoshikuni, Tatsuhiko Kono, Masahiro Yagi