Patents by Inventor Tadafumi Mizobuchi

Tadafumi Mizobuchi 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).

  • 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
  • Sheet-like preparation
    Patent number: 4777046
    Abstract: A sheet-like preparation comprising a composition comprising (a) a drug, (b) gelatin or agar, (c) gluten, (d) a carboxyvinyl polymer, (e) a polyhydriic alcohol, (f) a gum and (g) wax as its essential constituents, and water in an amount of 0 to 30 w/w % based on the total weight of the essential constituents, and a sheet-like support which supports thereon said composition.The sheet-like preparation of this invention is useful, for example, as a preparation for oral cavity administration.
    Type: Grant
    Filed: October 1, 1985
    Date of Patent: October 11, 1988
    Assignees: Nippon Kayaku Kabushiki Kaisha, Teikoku Seiyaku Kabushiki Kaisha, Kaken Pharmaceutical Co., Ltd.
    Inventors: Taiichiro Iwakura, Tadafumi Mizobuchi, Yukio Aouda