Patents by Inventor Hideharu Uchiki

Hideharu Uchiki 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).

  • 6,7-asymmetrically disubstituted quinoxalinecarboxylic acid derivatives, addition salts thereof, and processes for the preparation of both
    Patent number: 6348461
    Abstract: The present invention provides 6,7-asymmetrically disubstituted quinoxalinecarboxylic acid compounds and their addition salts, and processes for preparing them, which have antagonism against excitatory amino acid receptors, in particular, an AMPA receptor. The 6,7-asymmetrically disubstituted quinoxalinecarboxylic acid compounds and their addition salts of the present invention are represented by formula (1) wherein Q, R, R1 and R2 are as described in the specification.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: February 19, 2002
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Yasuo Takano, Futoshi Shiga, Masanori Takadoi, Hideharu Uchiki, Jun Asano, Tsuyoshi Anraku, Kazunori Fukuchi, Junichiro Uda, Naoki Ando