Patents by Inventor Tomoyuki Shibuguchi

Tomoyuki Shibuguchi 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: 9738656
    Abstract: Compounds represented by formulae (I) to (XXII) or pharmaceutically acceptable salts thereof:
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: August 22, 2017
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Toshiki Kurokawa, Yu Yoshida, Kogyoku Shin, Yoshihisa Kobayashi, Hironori Fukumoto, Kunitoshi Takeda, Yoshiaki Ohashi, Makoto Kotake, Tomoyuki Shibuguchi, Toru Watanabe, Yoichi Kita, Shinsuke Hirota, Takashi Fukuyama, Yasuaki Kamada
  • Publication number: 20170137436
    Abstract: Compounds represented by formulae (I) to (XXII) or pharmaceutically acceptable salts thereof:
    Type: Application
    Filed: November 9, 2016
    Publication date: May 18, 2017
    Inventors: Toshiki Kurokawa, Yu Yoshida, Kogyoku Shin, Yoshihisa Kobayashi, Hironori Fukumoto, Kunitoshi Takeda, Yoshiaki Ohashi, Makoto Kotake, Tomoyuki Shibuguchi, Toru Watanabe, Yoichi Kita, Shinsuke Hirota, Takashi Fukuyama, Yasuaki Kamada
  • Patent number: 9458176
    Abstract: A compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof works as an mGluR2 antagonist, and is applicable as a therapeutic agent for neurological disorders related to glutamate dysfunction and diseases involving the mGluR2, such as Alzheimer's disease: wherein R is a hydrogen atom, a C1-6 alkyl group or the like, R1 is a C1-6 alkyl group, a C1-6 alkoxy group or the like, R2 is a halogen atom, a C1-6 alkyl group, a C1-6 alkoxy group or the like, R3 is a hydrogen atom, a C1-6 alkyl group or the like, and R4 is a C1-6 alkyl group or the like.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: October 4, 2016
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Mamoru Takaishi, Nobuhiro Sato, Tomoyuki Shibuguchi, Takafumi Motoki, Yoshinori Takahashi, Takeo Sasaki, Alan Braunton
  • Publication number: 20160052937
    Abstract: A compound represented by formula (I): wherein R is a methyl group or the like, R1 is a fluorine atom or the like, R2 is a hydrogen atom or a fluorine atom, R3 is a hydrogen atom, R4 is an ethyl group or the like, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: August 20, 2015
    Publication date: February 25, 2016
    Inventors: Mamoru Takaishi, Nobuhiro Sato, Takafumi Motoki, Tomoyuki Shibuguchi
  • Publication number: 20140243316
    Abstract: A compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof works as an mGluR2 antagonist, and is applicable as a therapeutic agent for neurological disorders related to glutamate dysfunction and diseases involving the mGluR2, such as Alzheimer's disease: wherein R is a hydrogen atom, a C1-6 alkyl group or the like, R1 is a C1-6 alkyl group, a C1-6 alkoxy group or the like, R2 is a halogen atom, a C1-6 alkyl group, a C1-6 alkoxy group or the like, R3 is a hydrogen atom, a C1-6 alkyl group or the like, and R4 is a C1-6 alkyl group or the like.
    Type: Application
    Filed: February 26, 2014
    Publication date: August 28, 2014
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Mamoru Takaishi, Nobuhiro Sato, Tomoyuki Shibuguchi, Takafumi Motoki, Yoshinori Takahashi, Takeo Sasaki, Alan Braunton