Patents by Inventor Tsubasa CHIKADA

Tsubasa CHIKADA 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).

  • Compound or pharmaceutically acceptable salt thereof
    Patent number: 11414429
    Abstract: Provided are 2-(piperidin-1-yl)pyrimidin-4(3H)-ones or pharmaceutically acceptable salts thereof, each characterized by having a 1,8-diazaspiro[4.5]deca-3-ene, 1-oxa-8-azaspiro[4.5]deca-3-ene, 2,8-diazaspiro[4.5]deca-3-ene, 2-oxa-8-azaspiro[4.5]deca-3-ene, 2,9-diazaspiro[5.5]undeca-3-ene, 1-oxa-9-azaspiro[5.5]undeca-3-ene, 1,9-diazaspiro[5.5]undeca-4-ene, or 3,9-diazaspiro[5.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: August 16, 2022
    Assignees: RIKEN, JAPANESE FOUNDATION FOR CANCER RESEARCH, KABUSHIKI KAISHA YAKULT HONSHA
    Inventors: Minoru Yoshida, Hiroyuki Seimiya, Masayuki Okue, Yoko Yashiroda, Fumiyuki Shirai, Takeshi Tsumura, Yuko Kano, Kenichi Washizuka, Nobuko Yoshimoto, Yasuko Kouda, Takehiro Fukami, Tsubasa Chikada, Takashi Watanabe
  • NOVEL COMPOUND OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF
    Publication number: 20200172554
    Abstract: Provided are 2-(piperidin-1-yl)pyrimidin-4(3H)-ones or pharmaceutically acceptable salts thereof, each characterized by having a 1,8-diazaspiro[4.5]deca-3-ene, 1-oxa-8-azaspiro[4.5]deca-3-ene, 2,8-diazaspiro[4.5]deca-3-ene, 2-oxa-8-azaspiro[4.5]deca-3-ene, 2,9-diazaspiro[5.5]undeca-3-ene, 1-oxa-9-azaspiro[5.5]undeca-3-ene, 1,9-diazaspiro[5.5]undeca-4-ene, or 3,9-diazaspiro[5.
    Type: Application
    Filed: June 30, 2017
    Publication date: June 4, 2020
    Applicants: RIKEN, JAPANESE FOUNDATION FOR CANCER RESEARCH
    Inventors: Minoru YOSHIDA, Hiroyuki SEIMIYA, Masayuki OKUE, Yoko YASHIRODA, Fumiyuki SHIRAI, Takeshi TSUMURA, Yuko KANO, Kenichi WASHIZUKA, Nobuko YOSHIMOTO, Yasuko KOUDA, Takehiro FUKAMI, Tsubasa CHIKADA, Takashi WATANABE