Patents by Inventor Hajime Koganei

Hajime Koganei 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: 8278329
    Abstract: The invention relates to a compound represented by the following general formula (1) or its analogue, which selectively inhibit N-type calcium channels or its analogue, and to a method for treating pain etc. comprising the compound represented by the following general formula (1) or its analogue to a patient in need of such treatment: wherein, A represents CH?CH, etc., a, b, c and d represents CH etc., R1, R2, R3, R4, R5 and R6 represents H etc., V—W represents C?C, etc., n represents 0 to 3, Y1 represents O etc., B represents —(CH2)vCHR21 wherein v is 0 to 3, R21 represents H, a lower alkyl group or the like, etc., G represents —CO—, a covalent bond, etc., m is 0 to 6, R7 and R8 represents H, a lower alkyl group, —COR18a, —COOR20 wherein R18a and R20 each represents a lower alkyl group or the like, etc.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: October 2, 2012
    Assignee: Ajinomoto Co., Inc.
    Inventors: Takashi Yamamoto, Seiji Niwa, Kayo Otani, Seiji Ohno, Hajime Koganei, Satoshi Iwayama, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Shinichi Fujita, Keiko Moki
  • Patent number: 7713957
    Abstract: The present invention relates to a pharmaceutical composition useful for preventing/treating pain, which comprises combination of gabapentin or pregabalin, or pharmaceutically acceptable salts thereof and N-type calcium channel antagonists or pharmaceutically acceptable salts thereof such as a compound having the following structure.
    Type: Grant
    Filed: August 5, 2004
    Date of Patent: May 11, 2010
    Assignee: Ajinomoto Co., Inc.
    Inventors: Satoshi Iwayama, Hajime Koganei, Shinichi Fujita, Tomoko Takeda, Hiroshi Yamamoto, Seiji Niwa
  • Patent number: 7494989
    Abstract: Achiral pyrimidine derivatives and pyridine derivatives of the following formulae or analogs thereof have selective N-type calcium channel antagonistic activity and showed analgesic action when they were taken orally. They are useful as therapeutic agents for pains and various diseases associated with the N-type calcium channels.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: February 24, 2009
    Assignee: Ajinomoto Co., Inc.
    Inventors: Seiji Ohno, Kayo Otani, Seiji Niwa, Satoshi Iwayama, Akira Takahara, Hajime Koganei, Yukitsugu Ono, Shinichi Fujita, Tomoko Takeda, Masako Hagihara, Akiko Okajima
  • Patent number: 7462630
    Abstract: The invention relates to a compound represented by the following general formula (1) or its analogue, which selectively inhibit N-type calcium channels or its analogue, and to a method for treating pain etc. comprising the compound represented by the following general formula (1) or its analogue to a patient in need of such treatment: wherein, A represents CH?CH, etc., a, b, c and d represents CH etc., R1, R2, R3, R4, R5 and R6 represents H etc., V—W represents C?C, etc., n represents 0 to 3, Y1 represents O etc., B represents —(CH2)vCHR21 wherein v is 0 to 3, R21 represents H, a lower alkyl group or the like, etc., G represents —CO—, a covalent bond, etc., m is 0 to 6, R7 and R8 represents H, a lower alkyl group, —COR18a, —COOR20 wherein R18a and R20 each represents a lower alkyl group or the like, etc.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: December 9, 2008
    Assignee: Ajinomoto Co., Inc.
    Inventors: Takashi Yamamoto, Seiji Niwa, Kayo Otani, Seiji Ohno, Hajime Koganei, Satoshi Iwayama, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Shinichi Fujita, Keiko Moki
  • Publication number: 20080070903
    Abstract: Achiral pyrimidine derivatives and pyridine derivatives of the following formulae or analogs thereof have selective N-type calcium channel antagonistic activity and showed analgesic action when they were taken orally. They are useful as therapeutic agents for pains and various diseases associated with the N-type calcium channels.
    Type: Application
    Filed: September 17, 2007
    Publication date: March 20, 2008
    Applicant: AJINOMOTO CO., INC
    Inventors: Seiji OHNO, Kayo Otani, Seiji Niwa, Satoshi Iwayama, Akira Takahara, Hajime Koganei, Yukitsugu Ono, Shinichi Fujita, Tomoko Takeda, Masako Hagihara, Akiko Okajima
  • Publication number: 20080058311
    Abstract: The invention relates to a compound represented by the following general formula (1) or its analogue, which selectively inhibit N-type calcium channels or its analogue, and to a method for treating pain etc. comprising the compound represented by the following general formula (1) or its analogue to a patient in need of such treatment: wherein, A represents CH?CH, etc., a, b, c and d represents CH etc., R1, R2, R3, R4, R5 and R6 represents H etc., V—W represents C?C, etc., n represents 0 to 3, Y1 represents O etc., B represents —(CH2)vCHR21 wherein v is 0 to 3, R21 represents H, a lower alkyl group or the like, etc., G represents —CO—, a covalent bond, etc., m is 0 to 6, R7 and R8 represents H, a lower alkyl group, —COR18a, —COOR20 wherein R18a and R20 each represents a lower alkyl group or the like, etc.
    Type: Application
    Filed: October 26, 2007
    Publication date: March 6, 2008
    Applicant: AJINOMOTO CO., INC.
    Inventors: Takashi YAMAMOTO, Seiji Niwa, Kayo Otani, Seiji Ohno, Hajime Koganei, Satoshi Iwayama, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Shinichi Fujita, Keiko Moki
  • Patent number: 7288544
    Abstract: Achiral pyrimidine derivatives and pyridine derivatives of the following formulae or analogs thereof have selective N-type calcium channel antagonistic activity and showed analgesic action when they were taken orally.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: October 30, 2007
    Assignee: Ajinomoto Co., Inc.
    Inventors: Seiji Ohno, Kayo Otani, Seiji Niwa, Satoshi Iwayama, Akira Takahara, Hajime Koganei, Yukitsugu Ono, Shinichi Fujita, Tomoko Takeda, Masako Hagihara, Akiko Okajima
  • Patent number: 7247645
    Abstract: Compounds having a selective N-type calcium channel antagonistic activity are provided. Dihydropyridine derivatives represented by the following formula: analogs thereof and pharmaceutically acceptable salts thereof have an activity of selectively inhibiting the action of N-type calcium channel, and they are used as therapeutic agents for various diseases relating to N-type calcium channel.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: July 24, 2007
    Assignee: Ajinomoto Co., Inc.
    Inventors: Chika Nakanishi, Yoko Masuzawa, Masako Hagihara, Takashi Yamamoto, Hiroyuki Matsueda, Seiji Ohno, Seiji Niwa, Morikazu Kito, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Yuki Kajigaya, Hajime Koganei
  • Patent number: 6855716
    Abstract: Dihydropyrimidine derivatives of the following formula or analogs thereof have selective N-type calcium channel antagonistic activity, and they are used as therapeutic agents for various diseases participating in the N-type calcium channels.
    Type: Grant
    Filed: December 26, 2001
    Date of Patent: February 15, 2005
    Assignee: Ajinomoto Co., Inc.
    Inventors: Seiji Ohno, Akiko Okajima, Seiji Niwa, Morikazu Kito, Akira Takahara, Yukitsugu Ono, Yuki Kajigaya, Tomoko Takeda, Hajime Koganei
  • Publication number: 20050009814
    Abstract: The present invention relates to a pharmaceutical composition useful for preventing/treating pain, which comprises combination of gabapentin or pregabalin, or pharmaceutically acceptable salts thereof and N-type calcium channel antagonists or pharmaceutically acceptable salts thereof such as a compound having the following structure.
    Type: Application
    Filed: August 5, 2004
    Publication date: January 13, 2005
    Applicant: Ajinomoto Co., Inc.
    Inventors: Satoshi Iwayama, Hajime Koganei, Shinichi Fujita, Tomoko Takeda, Hiroshi Yamamoto, Seiji Niwa
  • Publication number: 20040167118
    Abstract: The invention relates to a compound represented by the following general formula (1) or its analogue, which selectively inhibit N-type calcium channels or its analogue, and to a method for treating pain etc.
    Type: Application
    Filed: February 27, 2004
    Publication date: August 26, 2004
    Applicant: AJINOMOTO CO., INC.
    Inventors: Takashi Yamamoto, Seiji Niwa, Kayo Otani, Seiji Ohno, Hajime Koganei, Satoshi Iwayama, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Shinichi Fujita, Keiko Moki
  • Publication number: 20040009991
    Abstract: Achirai pyrimidine derivatives and pyridine derivatives of the following formulae or analogs thereof have selective N-type calcium channel antagonistic activity and showed analgesic action when they were taken orally. They are useful as therapeutic agents for pains and various diseases associated with the N-type calcium channels.
    Type: Application
    Filed: March 14, 2003
    Publication date: January 15, 2004
    Applicant: AJINOMOTO CO., INC.
    Inventors: Seiji Ohno, Kayo Otani, Seiji Niwa, Satoshi Iwayama, Akira Takahara, Hajime Koganei, Yukitsugu Ono, Shinichi Fujita, Tomoko Takeda, Masako Hagihara, Akiko Okajima
  • Patent number: 6610717
    Abstract: Dihydropyridine derivatives represented by the following formula: analogs thereof and pharmaceutically acceptable salts thereof have an activity of selectively inhibiting the action of N-type calcium channel, and they are used as therapeutic agents for various diseases relating to N-type calcium channel.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: August 26, 2003
    Assignee: Ajinomoto Co., Inc.
    Inventors: Akira Nakajo, Munetaka Tokumasu, Morikazu Kito, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Yuki Kajigaya, Hajime Koganei
  • Publication number: 20020193605
    Abstract: Dihydropyridine derivatives represented by the following formula: 1
    Type: Application
    Filed: December 21, 2001
    Publication date: December 19, 2002
    Applicant: AJINOMOTO CO. INC
    Inventors: Akira Nakajo, Munetaka Tokumasu, Morikazu Kito, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Yuki Kajigaya, Hajime Koganei
  • Publication number: 20020147222
    Abstract: Compounds having a selective N-type calcium channel antagonistic activity are provided.
    Type: Application
    Filed: December 20, 2001
    Publication date: October 10, 2002
    Applicant: AJINOMOTO CO. INC
    Inventors: Chika Nakanishi, Yoko Masuzawa, Masako Hagihara, Takashi Yamamoto, Hiroyuki Matsueda, Seiji Ohno, Seiji Niwa, Morikazu Kito, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Yuki Kajigaya, Hajime Koganei
  • Publication number: 20020143023
    Abstract: Dihydropyrimidine derivatives of the following formula or analogs thereof have selective N-type calcium channel antagonistic activity, and they are used as therapeutic agents for various diseases participating in the N-type calcium channels.
    Type: Application
    Filed: December 26, 2001
    Publication date: October 3, 2002
    Applicant: AJINOMOTO CO. INC
    Inventors: Seiji Ohno, Akiko Okajima, Seiji Niwa, Morikazu Kito, Akira Takahara, Yukitsugu Ono, Yuki Kajigaya, Tomoko Takeda, Hajime Koganei