Patents by Inventor Ryohei Eto

Ryohei Eto 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).

  • Publication number: 20230049327
    Abstract: An object of the present invention is to provide a compound that can be used as a more superior therapeutic agent for central nervous system diseases.
    Type: Application
    Filed: February 14, 2022
    Publication date: February 16, 2023
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Hiroshi YAMASHITA, Tetsuya SATO, Takuya MINOWA, Yusuke HOSHIKA, Hidekazu TOYOFUKU, Tatsuya YAMAGUCHI, Masahiro SOTA, Shuuji KAWANO, Takayuki NAKAMURA, Ryohei ETO, Takuma IKEBUCHI, Kei MORIYAMA, Nobuaki ITO
  • Publication number: 20210115030
    Abstract: An object of the present invention is to provide a compound that can be used as a more superior therapeutic agent for central nervous system diseases.
    Type: Application
    Filed: August 4, 2020
    Publication date: April 22, 2021
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Hiroshi YAMASHITA, Tetsuya SATO, Takuya MINOWA, Yusuke HOSHIKA, Hidekazu TOYOFUKU, Tatsuya YAMAGUCHI, Masahiro SOTA, Shuuji KAWANO, Takayuki NAKAMURA, Ryohei ETO, Takuma IKEBUCHI, Kei MORIYAMA, Nobuaki ITO
  • Publication number: 20200140424
    Abstract: An object of the present invention is to provide a compound that can be used as a more superior therapeutic agent for central nervous system diseases. The present invention provides a dihydrate of 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl) butoxy]-1H-quinolin-2-one or of a salt thereof, and a process for producing the same.
    Type: Application
    Filed: September 9, 2019
    Publication date: May 7, 2020
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Hiroshi YAMASHITA, Tetsuya SATO, Takuya MINOWA, Yusuke HOSHIKA, Hidekazu TOYOFUKU, Tatsuya YAMAGUCHI, Masahiro SOTA, Shuuji KAWANO, Takayuki NAKAMURA, Ryohei ETO, Takuma IKEBUCHI, Kei MORIYAMA, Nobuaki ITO
  • Patent number: 10407415
    Abstract: An object of the present invention is to provide a compound that can be used as a more superior therapeutic agent for central nervous system diseases. The present invention provides a dihydrate of 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one or of a salt thereof, and a process for producing the same.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: September 10, 2019
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Hiroshi Yamashita, Tetsuya Sato, Takuya Minowa, Yusuke Hoshika, Hidekazu Toyofuku, Tetsuya Yamaguchi, Masahiro Sota, Shuuji Kawano, Takayuki Nakamura, Ryohei Eto, Takuma Ikebuchi, Kei Moriyama, Nobuaki Ito
  • Publication number: 20170066752
    Abstract: An object of the present invention is to provide a compound that can be used as a more superior therapeutic agent for central nervous system diseases. The present invention provides a dihydrate of 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one or of a salt thereof, and a process for producing the same.
    Type: Application
    Filed: October 14, 2016
    Publication date: March 9, 2017
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Hiroshi YAMASHITA, Tetsuya SATO, Takuya MINOWA, Yusuke HOSHIKA, Hidekazu TOYOFUKU, Tetsuya YAMAGUCHI, Masahiro SOTA, Shuuji KAWANO, Takayuki NAKAMURA, Ryohei ETO, Takuma IKEBUCHI, Kei MORIYAMA, Nobuaki ITO
  • Patent number: 9499525
    Abstract: An object of the present invention is to provide a compound that can be used as a more superior therapeutic agent for central nervous system diseases. The present invention provides a dihydrate of 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one or of a salt thereof, and a process for producing the same.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: November 22, 2016
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Hiroshi Yamashita, Tetsuya Sato, Takuya Minowa, Yusuke Hoshika, Hidekazu Toyofuku, Tatsuya Yamaguchi, Masahiro Sota, Shuuji Kawano, Takayuki Nakamura, Ryohei Eto, Takuma Ikebuchi, Kei Moriyama, Nobuaki Ito
  • Publication number: 20150087655
    Abstract: An object of the present invention is to provide a compound that can be used as a more superior therapeutic agent for central nervous system diseases. The present invention provides a dihydrate of 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one or of a salt thereof, and a process for producing the same.
    Type: Application
    Filed: April 23, 2013
    Publication date: March 26, 2015
    Inventors: Hiroshi Yamashita, Tetsuya Sato, Takuya Minowa, Yusuke Hoshika, Hidekazu Toyofuku, Tatsuya Yamaguchi, Masahiro Sota, Shuuji Kawano, Takayuki Nakamura, Ryohei Eto, Takuma Ikebuchi, Kei Moriyama, Nobuaki Ito