Patents by Inventor Nobutoshi Kubota

Nobutoshi Kubota 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).

  • 1,4-benzodioxin derivatives
    Patent number: 6130243
    Abstract: A 1,4-benzodioxin derivative represented by formula (I) ##STR1## wherein A is an aryl group or a (C.sub.3 -C.sub.8)cycloalkyl group, R.sub.1 and R.sub.2 individually are a hydrogen atom, a halogen atom, an alkyl group, a trifluoromethyl group, an alkoxy group, an aryl group, an aryloxy group, or R.sub.1 and R.sub.2 together form a methylenedioxy group, R.sub.3 is a hydrogen atom or an alkyl group, R.sub.4 is a hydrogen atom or CO.sub.2 R.sub.5, R.sub.5 is a hydrogen atom or an alkyl group, X is a radical of formula (II) or (III) ##STR2## wherein n is 1 or 2. The compounds are useful for a prophylactic or therapeutic agent for diabetes, hyperglycemia and obesity.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: October 10, 2000
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Toshihiro Takahashi, Kohei Inomata, Norio Oshida, Nobutoshi Kubota, Tamiko Hamada, Naohito Iwata