Patents by Inventor Shigemitsu Ohsawa

Shigemitsu Ohsawa 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).

  • Methods employing stable preparation containing azelastine hydrochloride
    Patent number: 6117864
    Abstract: Azelastine hydrochloride is combined certain fatty acids. The stability and absorbability of the composition is enhanced.
    Type: Grant
    Filed: July 8, 1997
    Date of Patent: September 12, 2000
    Assignee: ASTA Medica Aktiengesellschaft
    Inventors: Yutaka Morita, Noritoshi Koyama, Shigemitsu Ohsawa
  • Pharmaceutical preparation for percutaneous administration containing eperisone or tolperisone or salt thereof
    Patent number: 5073375
    Abstract: A pharmaceutical preparation for the percutaneous administration comprises eperisone or tolperisone, including salts thereof, and a monoglyceride of an aliphatic acid having 8 to 12 carbon atoms or/and an ester of lactic acid with an aliphatic alcohol having 12 to 18 carbon atoms. It is improved in the percutaneous absorption.
    Type: Grant
    Filed: August 2, 1990
    Date of Patent: December 17, 1991
    Assignees: Sansho Co., Ltd., Eisai Co., Ltd.
    Inventors: Mitsuhiro Yoshida, Yutaka Morita, Yoshio Ishino, Shigemitsu Ohsawa
  • Pharmaceutical preparation for percutaneous administration containing eperisone or tolperisone or salt thereof
    Patent number: 5059427
    Abstract: A pharmaceutical preparation for the percutaneous administration comprises eperisone or tolperisone, including salts thereof, and a monoglyceride of an aliphatic acid having 8 to 12 carbon atoms or/and an ester of lactic acid with an aliphatic alcohol having 12 to 18 carbon atoms. It is improved in the percutaneous absorption.
    Type: Grant
    Filed: May 13, 1988
    Date of Patent: October 22, 1991
    Assignees: Sansho Co., Ltd., Eisai Co., Ltd.
    Inventors: Mitsuhiro Yoshida, Yutaka Morita, Yoshio Ishino, Shigemitsu Ohsawa
  • Emulsified and solubilized pharmaceutical preparation
    Patent number: 5035895
    Abstract: An aqueous solution comprises a fat-soluble substance, a phosphatide, a polyhydric alcohol and a basic amino acid, a salt thereof or Meglumin. It is uniformly emulsified and solubilized for the pharmaceutical use.
    Type: Grant
    Filed: January 20, 1989
    Date of Patent: July 30, 1991
    Assignee: Eisai Co., Ltd.
    Inventors: Koichi Shibusawa, Shigemitsu Ohsawa
  • Decubital remedy
    Patent number: 4767624
    Abstract: A decubital remedy suitable for cutaneous administration contains ubidecarenone as an effective ingredient. The decubital remedy, which may preferably take the form of a cream, lotion or ointment, is effective in reducing decubitus-related severe pain and restoring the tissue damaged by decubitus. It is applicable even to patients who are unable to take drugs orally by themselves due to dyscrasia or cranial nerve disorders. It is also free of such cumbersomeness and body-wide influence as injection.
    Type: Grant
    Filed: March 11, 1986
    Date of Patent: August 30, 1988
    Inventors: Shinichi Okuyama, Kazumaro Furuse, Shigemitsu Ohsawa