Patents by Inventor Takeru Fujii

Takeru Fujii 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).

  • Large intestinal dissociative hard capsules
    Patent number: 5283064
    Abstract: A large intestinal dissociative hard capsule comprising a capsule mainly composed of chitosan, the viscosity at 20.degree. C. of a solution obtained by dissolving the chitosan in an aqueous 1% by weight acetic acid solution being not higher than 100 cps and the degree of deacetilation of the chitosan being from 60 mol % to 98 mol %, having a coated layer of a polymer soluble in a liquid having pH of at least 5 on the surface of the capsule.
    Type: Grant
    Filed: June 4, 1991
    Date of Patent: February 1, 1994
    Assignee: Aicello Chemical Co., Ltd.
    Inventors: Tsutomu Suzuki, Kenichi Hashiudo, Takayuki Matsumoto, Toshihiro Higashide, Takeru Fujii
  • 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