Patents by Inventor Tsutomi Arimuba

Tsutomi Arimuba 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).

  • Patent number: 6932990
    Abstract: This invention provides carbohydrate absorption inhibitor derived from evening primrose seed which is significantly effective to prevent and cure diabetes mellitus and prevent obesity, and the manufacturing method of the same. Carbohydrate absorption inhibitor in this invention is characterized that the effective component is an alcohol extract of evening primrose seed. The aforementioned evening primrose seed is preferably a defatted evening primrose seed. Extracting solvent of the aforementioned evening primrose seed is preferably ethanol, or preferably a 70 to 85% (v/v) aqueous ethanol. Also, this invention is characterized that the carbohydrate absorption inhibitor is an effective component of polyphenol derived from evening primrose seed. The polyphenol is preferably one or more substances selected from among gallic acid, ellagic acid, catechin, pentagalloylglucose, procyanidin, and proantocyanidin.
    Type: Grant
    Filed: July 26, 2001
    Date of Patent: August 23, 2005
    Assignee: Oryza Oil & Fat Chemical Co., Ltd.
    Inventors: Yotaro Konishi, Michio Aitani, Hiroshi Yamaguchi, Tsutomi Arimuba, Tadashi Okada, Hiromichi Murai
  • Publication number: 20030161903
    Abstract: This invention provides carbohydrate absorption inhibitor derived from evening primrose seed which is significantly effective to prevent and cure diabetes mellitus and prevent obesity, and the manufacturing method of the same.
    Type: Application
    Filed: January 31, 2003
    Publication date: August 28, 2003
    Inventors: Yotaro Konishi, Michio Aitani, Hiroshi Yamaguchi, Tsutomi Arimuba, Tadashi Okada, Hiromichi Murai