Patents by Inventor Nobuaki Yatsuka

Nobuaki Yatsuka 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).

  • Sebum production inhibitors
    Patent number: 6894034
    Abstract: Sebum production inhibitors containing as an active ingredient a compound of general formula (1) below having a glucuronic acid derivative and a glucosamine derivative in the structure or a pharmacologically acceptable salt thereof
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: May 17, 2005
    Assignee: Maruha Corporation
    Inventors: Nobuaki Yatsuka, Nobuyuki Sato, Masazumi Nishikawa, Tadakazu Tamai, Shigeru Moriyama
  • Compounds having glucuronic acid derivatives and glucosamine derivative in the structure, process for producing the same and utilization thereof
    Patent number: 6613897
    Abstract: {circle around (1)} Compounds of the following general formula (1) having a glucuronic acid derivative and a glucosamine derivative in the structure thereof, pharmacologically acceptable salts and solvates of the compounds, or solvates of the salts, {circle around (2)} a method for producing the compounds {circle around (1)}, {circle around (3)} a pharmaceutical composition containing the compounds {circle around (1)}, {circle around (4)} polymers having at least one of the compounds {circle around (1)} as a side chain structure, {circle around (5)} a coating agent containing the compound {circle around (1)} or the polymer as one of active ingredients, and {circle around (6)} molded products, artificial organs, medical devices, and equipment for cell culture, which have been produced using the polymer {circle around (4)} and/or the coating agent {circle around (5)}.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: September 2, 2003
    Assignee: Maruha Corporation
    Inventors: Nobuaki Yatsuka, Nobuyuki Sato, Shigeru Moriyama, Tadakazu Tamai, Masazumi Nishikawa
  • Process for the production of transglutaminase-containing food having improved texture
    Patent number: 4917904
    Abstract: A process for the production of food having improved texture is disclosed wherein 0.001 to 5 parts by weight of transglutaminase is added to 100 parts by weight of a food material containing one or more materials selected from the group consisting of fish meat, animal meat and fowl.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: April 17, 1990
    Assignee: Taiyo Fishery Co., Ltd.
    Inventors: Atsushi Wakameda, Nobuaki Yatsuka, Yasuhiko Sasamoto