Patents by Inventor Akiko Okajima

Akiko Okajima 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).

  • Pyridine compounds useful as N-type calcium channel antagonists
    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
  • NEW PYRIMIDINE DERIVATIVES AND NEW PYRIDINE DERIVATIVES
    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
  • Pyrimidine compounds useful as N-type calcium channel antagonists
    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
  • Dihydropyrimidine compounds and compositions containing the same
    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
  • Pyrimidine derivatives and new pyridine derivatives
    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
  • Dihydropyrimidine compounds and compositions containing the same
    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