Patents by Inventor Shin-ichi Hisaichi

Shin-ichi Hisaichi 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).

  • Stable ointment containing acetylsalicylic acid
    Patent number: 7029663
    Abstract: A substantially anhydrous stable ointment containing Aspirin which is characterized in using gelation hydrocarbon and/or vaseline as a base. The ointment is superior in stability and can be stored for a long term.
    Type: Grant
    Filed: June 23, 1998
    Date of Patent: April 18, 2006
    Assignee: Teikoku Seiyaku Co., Ltd.
    Inventors: Noriko Mizobuchi, Yuichi Hasegawa, Mitsuhiro Kawada, Shin-ichi Hisaichi
  • Remedies for external use for allergic skin diseases
    Publication number: 20030125307
    Abstract: External preparations for allergic dermatitis containing Aspirin alone as the active ingredient, which exert an excellent therapeutic effects on allergic dermatitis with lower side effects; and a method for treating allergic dermatitis by using these agents for external use.
    Type: Application
    Filed: June 28, 2002
    Publication date: July 3, 2003
    Inventors: Yukiko Inamoto, Mitsuhiro Kawata, Seiichiro Kawabata, Daisuke Nakayama, Shin-ichi Hisaichi, Masaaki Tokuda
  • Antipruritic agents for external use
    Publication number: 20030125308
    Abstract: External preparations for treating pruritus containing Aspirin as an active ingredient, which exert an excellent therapeutic effects on pruritus with less side effects.
    Type: Application
    Filed: June 28, 2002
    Publication date: July 3, 2003
    Inventors: Yukiko Inamoto, Mitsuhiro Kawata, Seiichiro Kawabata, Daisuke Nakayama, Shin-ichi Hisaichi, Masaaki Tokuda
  • Stable aspirin-containing preparations for external use
    Patent number: 6268355
    Abstract: External preparations containing Aspirin which are stored for a long term and superior in dermal absorbability. The preparations are prepared by mixing Aspirin together with at least one substance selected from an ester of an organic acid ester having 2 to 20 carbon atoms, a glycerol fatty acid ester, silicon oil, hydrocarbon oil and crotamiton.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: July 31, 2001
    Assignee: Teikoku Seiyaku Co., Ltd.
    Inventors: Noriko Mizobuchi, Yuichi Hasegawa, Mitsuhiro Kawada, Shin-ichi Hisaichi
  • Preparation for intermittently releasing active agent applicable to oral cavity
    Patent number: 5236713
    Abstract: A preparation for intermittently releasing an active agent which comprises a laminated combination of a release-controlling layer and a pharmaceutically active agent-containing layer wherein one or more of pharmaceutically active agent layers are incorporated into said release-controlling layer. The preparation in accordance with the present invention can intermittently control the release of the active agent to decrease a dosage time and is applicable to the mucous membrane or gingivae within the oral cavity.
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: August 17, 1993
    Assignee: Teikoku Seiyaku Kabushiki Kaisha
    Inventors: Takahiko Wato, Teruo Hama, Nobuko Inoue, Yukihiro Tada, Shin-ichi Hisaichi