Patents by Inventor Kimitaka Nakama

Kimitaka Nakama 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).

  • Aminopyrazole derivatives
    Patent number: 10479780
    Abstract: An objective of the present invention is to provide low-molecular-weight compounds that can inhibit Src family kinases. The present invention relates to compounds represented by general formula (I) or pharmacologically acceptable salts thereof. In the formula, Ar1 is optionally substituted C6-10 arylene or 5- to 10-membered heteroarylene, and Ar2 is optionally substituted C6-10 aryl or 5- to 10-membered heteroaryl. R1 and R2 are defined as described in the specification.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: November 19, 2019
    Assignees: Chugai Seiyaku Kabushiki Kaisha, F. Hoffmann-La Roche AG
    Inventors: Hirosato Ebiike, Toshihiro Aoki, Takashi Chiba, Masami Kochi, Kimitaka Nakama, Satoshi Niizuma, Hiroki Nishii, Jun Ohwada, Hiroyuki Shimamura, Aiko Suge, Yoshito Nakanishi, Natsuki Kobayashi
  • AMINOPYRAZOLE DERIVATIVES
    Publication number: 20180362509
    Abstract: An objective of the present invention is to provide low-molecular-weight compounds that can inhibit Src family kinases. The present invention relates to compounds represented by general formula (I) or pharmacologically acceptable salts thereof. In the formula, Ar1 is optionally substituted C6-10 arylene or 5- to 10-membered heteroarylene, and Ar2 is optionally substituted C6-10 aryl or 5- to 10-membered heteroaryl. R1 and R2 are defined as described in the specification.
    Type: Application
    Filed: June 17, 2016
    Publication date: December 20, 2018
    Applicants: Chugai Seiyaku Kabushiki Kaisha, F. Hoffmann-La Roche AG
    Inventors: Hirosato Ebiike, Toshihiro Aoki, Takashi Chiba, Masami Kochi, Kimitaka Nakama, Satoshi Niizuma, Hiroki Nishii, Jun Ohwada, Hiroyuki Shimamura, Aiko Suge, Yoshito Nakanishi, Natsuki Kobayashi
  • Orally available viridiofungin derivative possessing anti-HCV activity
    Patent number: 9266853
    Abstract: An object of the present invention is to provide a compound that is useful as an orally available anti-HCV agent. The present invention relates to a compound represented by formula (1) or a pharmaceutically acceptable salt thereof. This compound has an anti-HCV activity and is useful as a medicine.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: February 23, 2016
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Yasunori Kohchi, Kimitaka Nakama, Susumu Komiyama, Fumio Watanabe
  • ORALLY AVAILABLE VIRIDIOFUNGIN DERIVATIVE POSSESSING ANTI-HCV ACTIVITY
    Publication number: 20150210666
    Abstract: An object of the present invention is to provide a compound that is useful as an orally available anti-HCV agent. The present invention relates to a compound represented by formula (1) or a pharmaceutically acceptable salt thereof. This compound has an anti-HCV activity and is useful as a medicine.
    Type: Application
    Filed: August 16, 2013
    Publication date: July 30, 2015
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Yasunori Kohchi, Kimitaka Nakama, Susumu Komiyama, Fumio Watanabe