Patents by Inventor Takeru Kohinata

Takeru Kohinata 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).

  • Novel crystal of quinoxalinedione derivative anhydride
    Publication number: 20050130978
    Abstract: The object of the present invention is to provide a novel crystal of a quinoxalinedione derivative as an AMPA antagonist, which enables providing a bulk for manufacturing pharmaceuticals that are stable under any humidity conditions.
    Type: Application
    Filed: April 16, 2003
    Publication date: June 16, 2005
    Inventors: Masamichi Yuda, Takeru Kohinata
  • (-)-(S)-2,8-dimethyl-3-methylene-1-oxa-8-azaspiro[4.5]decane L-tartrate
    Patent number: 5403931
    Abstract: (-)-(S)-2,8-Dimethyl-3-methylene-1-oxa-8-azaspiro[4.5]decane L-tartrate having the following structural formula: ##STR1## The compound exhibits a selective affinity for the muscarinic acetylcholine receptor and has a storage stability superior to that of other salts.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: April 4, 1995
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Shin-ichi Tsukamoto, Takeru Kohinata, Mitsuo Fujii, Sakiko Tomizawa