Patents by Inventor Hiroitsu Kawada

Hiroitsu Kawada 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).

  • Pharmaceutical compositions of a prostaglandin compound for rectal use in treating asthma
    Patent number: 4153727
    Abstract: A pharmaceutical composition for rectal administration containing 11.alpha.,15(S)-dihydroxy-20-methoxy-16(S)-methyl-9-oxo-5(cis,13(trans)-pr ostadienoic acid or a water-soluble salt thereof dissolved or dispersed in a lipophilic or hydrophilic base in the presence or absence of a buffer solution or an aqueous organic amine solution.
    Type: Grant
    Filed: January 9, 1978
    Date of Patent: May 8, 1979
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Hidefumi Matsui, Kenichi Tomioka, Hiroitsu Kawada, Hiroo Maeno
  • Stabilized oral prostaglandin formulation and the process for the preparation thereof
    Patent number: 4113882
    Abstract: There is disclosed a dry, stabilized oral pharmaceutical formulation containing a prostaglandin E group prepared from a lyophilized composition comprising a prostaglandin E group and at least a member selected from the group consisting of a thiol compound, dextrin, dextran, a lower alkyl cellulose, and a water-soluble salt of deoxycholic acid.
    Type: Grant
    Filed: May 13, 1976
    Date of Patent: September 12, 1978
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Kiyoshi Okazaki, Masuo Murakami, Hiroitsu Kawada, Jun Sekino, Hidemi Shimizu, Shigemi Kawahara
  • Stabilized prostaglandin composition and the process for the preparation thereof
    Patent number: 4066787
    Abstract: A dried and stabilized prostaglandin composition containing a prostaglandin E group compound with calcium lactate and/or amylopectin, and a stabilized pharmaceutical preparation for practical administration prepared from the said composition.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: January 3, 1978
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Kiyoshi Okazaki, Hiroitsu Kawada, Hidemi Shimizu, Tadayoshi Ohmura, Jun Sekino
  • Solid composition
    Patent number: 4013773
    Abstract: A single phase solid composition wherein one part of a non-aqueous liquid and 0.5-6 parts of calcium lactate hydrate are mixed and heated. The product according to this invention is very stable and can be formed into various kinds of moldings by a simple operation so that it may be applied to many uses.
    Type: Grant
    Filed: February 4, 1975
    Date of Patent: March 22, 1977
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Masuo Murakami, Hiroitsu Kawada, Tadayoshi Ohmura, Hiroshi Sugiura