Patents by Inventor Yuki Kajigaya

Yuki Kajigaya 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).

  • Dihydropyridine derivatives
    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
  • 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
  • Benzodiazepine derivatives
    Patent number: 6825191
    Abstract: The present invention provides benzodiazepine derivatives of the following formula, analogs thereof and pharmaceutically acceptable salts thereof. The compounds of the present invention have an excellent effect of inhibiting activated blood-coagulation factor X. These compounds are usable as agents for treating various diseases concerned with the activated blood-coagulation factor X.
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: November 30, 2004
    Assignee: Ajinomoto Co., Inc.
    Inventors: Tadakiyo Nakagawa, Munetaka Tokumasu, Kazumi Tashiro, Mitsuo Takahashi, Takashi Kayahara, Shunji Takehana, Yuki Kajigaya, Kaoru Yoshida, Kuniya Sakurai
  • Benzodiazepine derivatives
    Publication number: 20030186969
    Abstract: The present invention provides benzodiazepine derivatives of the following formula, analogs thereof and pharmaceutically acceptable salts thereof. The compounds of the present invention have an excellent effect of inhibiting activated blood-coagulation factor X. These compounds are usable as agents for treating various diseases concerned with the activated blood-coagulation factor X.
    Type: Application
    Filed: March 27, 2003
    Publication date: October 2, 2003
    Applicant: AJINOMOTO CO. INC
    Inventors: Tadakiyo Nakagawa, Munetaka Tokumasu, Kazumi Tashiro, Mitsuo Takahashi, Takashi Kayahara, Shunji Takehana, Yuki Kajigaya, Kaoru Yoshida, Kuniya Sakurai
  • Dihydropyridine derivatives
    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
  • New dihydropyridine derivatives
    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
  • Dihydropyridine derivatives
    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
  • 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