Patents by Inventor Satoki Doi

Satoki Doi 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).

  • TRIAZOLE-ISOXAZOLE COMPOUND AND MEDICAL USE THEREOF
    Publication number: 20160137639
    Abstract: A compound represented by Formula [I]: or pharmaceutically acceptable salt thereof, wherein each symbol is as defined in the description.
    Type: Application
    Filed: October 25, 2013
    Publication date: May 19, 2016
    Inventors: Masayuki KOTOKU, Takaki MAEBA, Noriyoshi SEKI, Shintaro HIRASHIMA, Shingo FUJIOKA, Shingo OBIKA, Hiroshi YAMANAKA, Masahiro YOKOTA, Takayuki SAKAI, Kazuyuki HIRATA, Katsuya MAEDA, Makoto SHIOZAKI, Yuko SHINAGAWA, Taku IKENOGAMI, Satoki DOI, Takahiro OKA, Takuya MATSUO, Yoshihiro SUWA, Keisuke ITO, Satoru NOJI, Yoshinori HARA
  • NEW PIPERAZINE COMPOUND AND USE THEREOF AS A HCV POLYMERASE INHIBITOR
    Publication number: 20120107273
    Abstract: The present invention relates to a compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof, or a solvate thereof and an anti-HCV agent and an HCV polymerase inhibitor containing this compound. The compound of the present invention shows an anti-HCV activity based on the HCV polymerase inhibitory activity, and useful as an agent for the prophylaxis or treatment of hepatitis C.
    Type: Application
    Filed: April 25, 2011
    Publication date: May 3, 2012
    Applicant: Japan Tobacco Inc.
    Inventors: Hiroyuki Abe, Masahiro Tanaka, Kazuyuki Sugimoto, Akira Suma, Masahiro Yokota, Makoto Shiozaki, Kiyosei Ilo, Kazuhito Ueyama, Dai Motoda, Toru Noguchi, Tsuyoshi Adachi, Junichiro Tsuruha, Satoki Doi
  • Piperazine compound and use thereof as a HCV polymerase inhibitor
    Patent number: 8017612
    Abstract: The present invention relates to a compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof, or a solvate thereof and an anti-HCV agent and an HCV polymerase inhibitor containing this compound. The compound of the present invention shows an anti-HCV activity based on the HCV polymerase inhibitory activity, and useful as an agent for the prophylaxis or treatment of hepatitis C.
    Type: Grant
    Filed: April 17, 2007
    Date of Patent: September 13, 2011
    Assignee: Japan Tobacco Inc.
    Inventors: Hiroyuki Abe, Masahiro Tanaka, Kazuyuki Sugimoto, Akira Suma, Masahiro Yokota, Makoto Shiozaki, Kiyosei Iio, Kazuhito Ueyama, Dai Motoda, Toru Noguchi, Tsuyoshi Adachi, Junichiro Tsuruha, Satoki Doi
  • New Piperazine Compound and Use Thereof as a HCV Polymerase Inhibitor
    Publication number: 20080081818
    Abstract: The present invention relates to a compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof, or a solvate thereof and an anti-HCV agent and an HCV polymerase inhibitor containing this compound. The compound of the present invention shows an anti-HCV activity based on the HCV polymerase inhibitory activity, and useful as an agent for the prophylaxis or treatment of hepatitis C.
    Type: Application
    Filed: April 17, 2007
    Publication date: April 3, 2008
    Applicant: Japan Tobacco Inc.
    Inventors: Hiroyuki Abe, Masahiro Tanaka, Kazuyuki Sugimoto, Akira Suma, Masahiro Yokota, Makoto Shiozaki, Kiyosei Iio, Kazuhito Ueyama, Dai Motoda, Toru Noguchi, Tsuyoshi Adachi, Junichiro Tsuruha, Satoki Doi