Patents by Inventor Kazunori Fukuchi

Kazunori Fukuchi 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: 6632813
    Abstract: The invention provides compounds with antagonism against excitatory amino acid receptors, in particular, AMPA receptor having 6-substituted-7-heteroquinoxalinecarboxylic acid derivatives and addition salts thereof as effective ingredients, and processes for the preparation of both. The compounds are 6-substituted-7-heteroquinoxalinecarboxylic acid derivatives represented by the formula (1) where A denotes a single bond or methylene (CH2), Y denotes a nitrogen atom or ═CH—, V denotes a single bond or methylene (CH2), T denotes a hydroxyl group, amino group, lower alkoxycarbonyl group, carboxyl group, aldehyde group or the like, Q denotes a halogen atom, lower alkyl group or lower alkoxy group, and R1 denotes a hydroxyl group, lower alkoxy group or the like, and addition salts thereof.
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: October 14, 2003
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Yasuo Takano, Futoshi Shiga, Tsuyoshi Anraku, Kazunori Fukuchi
  • Patent number: 6562839
    Abstract: The invention provides compounds with antagonism against excitatory amino acid receptors, in particular, AMPA receptor having 6-substituted heteroquinolinecarboxylic acid derivatives and addition salts thereof as effective ingredients, and processes for the preparation of both. These compounds relate to 6-substituted heteroquinolinecarboxylic acid derivatives represented by a general formula (1) (wherein A denotes a single bond or methylene (CH2), Y denotes a nitrogen atom or ═CH—, V denotes a single bond or methylene (CH2), T denotes a hydroxyl group, amino group, lower alkoxycarbonyl group, carboxyl group, aldehyde group or the like, R denotes a nitro group, trifluoromethyl group or halogen atom, and R1 denotes a hydroxyl group or lower alkoxy group), and addition salts thereof.
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: May 13, 2003
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Yasuo Takano, Jun Asano, Tsuyoshi Anraku, Kazunori Fukuchi
  • 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
  • Patent number: D577921
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: October 7, 2008
    Assignees: Namba Press Works Co., Ltd., Iseki & Co., Ltd.
    Inventors: Katsumi Tanaka, Nobuyuki Yamaguchi, Kazunori Fukuchi, Tomoo Kiyokawa
  • Patent number: D720371
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: December 30, 2014
    Assignee: Iseki & Co., Ltd.
    Inventors: Koji Furukawa, Tatsuya Shimoyama, Kiyofumi Sakurahara, Kenro Kinoshita, Naohiro Ito, Hiroshi Kamoda, Kanako Mizuniwa, Kazunori Fukuchi, Masami Kinoshita, Yoji Fujinaga
  • Patent number: D726228
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: April 7, 2015
    Assignee: Iseki & Co., Ltd.
    Inventors: Kazunori Fukuchi, Takehumi Kato, Yoshitaka Tani
  • Patent number: D730947
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: June 2, 2015
    Assignee: Iseki & Co., Ltd.
    Inventors: Kazunori Fukuchi, Takehumi Kato, Hirofumi Tsuchiya, Teruki Matsukawa, Narutoshi Ishioka