Patents by Inventor Seiichi Sakoh

Seiichi Sakoh 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).

  • High-absorbable transvaginal preparation containing biologically active polypeptide
    Patent number: 5238917
    Abstract: A high-absorbable transvaginal preparation having excellent absorbability of the active ingredient, which comprises a biologically active polypeptide and an absorption promoter comprising a polyoxyethylenealkylphenyl ether and one or more compounds selected from the group consisting of an N-acylamino acid, cholic acids, pectic acid, taurine, saccharin, glycyrrhizic acid, aspartame, or a salt thereof.
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: August 24, 1993
    Assignees: Teikoku Seiyaku Kabushiki Kaisha, Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Takeru Fujii, Seiichi Sakoh, Toru Hibi, Shigeyuki Takama, Akiya Yamada
  • Sheet-shaped adhesive preparation applicable to oral cavity
    Patent number: 4876092
    Abstract: A sheet-shaped adhesive preparation comprising an adhesive layer containing as essential components a carboxyvinyl polymer, a water-insoluble methacrylic copolymer, a polyhydric alcohol and a pharmaceutically active agent, and a water-impermeable and water-insoluble carrier layer containing as essential components a pharmaceutically acceptable water-insoluble, film-forming high molecular weight compound and a plasticizer, which can adhere within the oral cavity for a longer period of time and can release the active agent and hence is useful as a sustained release preparation for the oral cavity.
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: October 24, 1989
    Assignee: Teikoku Seiyaku Kabushiki Kaisha
    Inventors: Tadafumi Mizobuchi, Akihito Ohji, Seiichi Sakoh, Yasuyoshi Muguruma