Patents by Inventor Yoshiyuki Taoda

Yoshiyuki Taoda 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: 20190152990
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X? is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylrene in which the hetero atom group may intervene; R2 is optionally substituted aryl; Ra is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4and Z2 part taken together forms a ring, to forma polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: January 10, 2019
    Publication date: May 23, 2019
    Applicants: ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Patent number: 10202379
    Abstract: The present invention provides a compound having antiviral effects, particularly having growth inhibitory activity on influenza viruses, a preferred example of the compound being a substituted 3-hydroxy-4-pyridone derivative prodrug having cap-dependent endonuclease inhibitory activity.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: February 12, 2019
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Chika Takahashi, Hidenori Mikamiyama, Toshiyuki Akiyama, Kenji Tomita, Yoshiyuki Taoda, Makoto Kawai, Kosuke Anan, Masayoshi Miyagawa
  • Publication number: 20180362543
    Abstract: The present invention provides a novel compound having an antiviral activity, in particular, an HIV replication inhibiting activity, as well as a pharmaceutical composition, in particular, an anti-HIV agent. wherein ring A is substituted or unsubstituted carbocycle or substituted or unsubstituted heterocycle; R1 is substituted or unsubstituted alkyl etc.; R2 is substituted or unsubstituted alkyloxy etc.; n is 1 or 2; R3 is substituted or unsubstituted carbocyclyl or substituted or unsubstituted heterocyclyl; R4 is a hydrogen atom etc.; R6 is substituted or unsubstituted alkyl etc.
    Type: Application
    Filed: August 23, 2018
    Publication date: December 20, 2018
    Applicant: Shionogi & Co., Ltd.
    Inventors: Kenji TOMITA, Yoshiyuki TAODA, Tsutomu IWAKI, Takashi KAWASUJI, Toshiyuki AKIYAMA, Shuichi SUGIYAMA, Yoshinori TAMURA, Masafumi IWATSU
  • Publication number: 20170369509
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: September 7, 2017
    Publication date: December 28, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170349587
    Abstract: The present invention provides a compound having antiviral effects, particularly having growth inhibitory activity on influenza viruses, a preferred example of the compound being a substituted 3-hydroxy-4-pyridone derivative prodrug having cap-dependent endonuclease inhibitory activity.
    Type: Application
    Filed: August 14, 2017
    Publication date: December 7, 2017
    Applicant: Shionogi & Co., Ltd.
    Inventors: Chika Takahashi, Hidenori Mikamiyama, Toshiyuki Akiyama, Kenji Tomita, Yoshiyuki Taoda, Makoto Kawai, Kosuke Anan, Masayoshi Miyagawa
  • Patent number: 9815835
    Abstract: This invention provides compounds having antiviral activities especially inhibiting activity for influenza virus, more preferably provides substituted 3-hydroxy-4-pyridone derivatives having cap-dependent endonuclease inhibitory activity.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: November 14, 2017
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Toshiyuki Akiyama, Kenji Takaya, Makoto Kawai, Yoshiyuki Taoda, Minako Mikamiyama, Kenji Morimoto, Kenji Tomita, Hidenori Mikamiyama, Naoyuki Suzuki
  • Publication number: 20170267693
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: May 18, 2017
    Publication date: September 21, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170260203
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: May 18, 2017
    Publication date: September 14, 2017
    Applicants: ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Patent number: 9758515
    Abstract: The present invention provides a compound having antiviral effects, particularly having growth inhibitory activity on influenza viruses, a preferred example of the compound being a substituted 3-hydroxy-4-pyridone derivative prodrug having cap-dependent endonuclease inhibitory activity.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: September 12, 2017
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Chika Takahashi, Hindenori Mikamiyama, Toshiyuki Akiyama, Kenji Tomita, Yoshiyuki Taoda, Makoto Kawai, Kosuke Anan, Masayoshi Miyagawa, Naoyuki Suzuki
  • Publication number: 20170253616
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylane or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound; including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: May 17, 2017
    Publication date: September 7, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170224695
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X? is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170224694
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170209454
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: April 10, 2017
    Publication date: July 27, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170145033
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: February 8, 2017
    Publication date: May 25, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170029438
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity, particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: October 11, 2016
    Publication date: February 2, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Patent number: 9527840
    Abstract: The invention relates to Substituted-Quinoxaline-Type Piperidine Compounds, compositions comprising an effective amount of a Substituted-Quinoxaline-Type Piperidine Compound and methods to treat or prevent a condition, such as pain, comprising administering to an animal in need thereof an effective amount of a Substituted-Quinoxaline-Type Piperidine Compound.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: December 27, 2016
    Assignees: Purdue Pharma L.P., Shionogi & Co. Ltd.
    Inventors: Kouki Fuchino, R. Richard Goehring, Bin Shao, Yoshiyuki Taoda, Naoki Tsuno, John William Frank Whitehead, Jiangchao Yao
  • Publication number: 20160368921
    Abstract: This invention provides compounds having antiviral activities especially inhibiting activity for influenza virus, more preferably provides substituted 3-hydroxy-4-pyridone derivatives having cap-dependent endonuclease inhibitory activity.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 22, 2016
    Inventors: Toshiyuki AKIYAMA, Kenji Takaya, Makoto Kawai, Yoshiyuki Taoda, Minako Mikamiyama, Kenji Morimoto, Kenji Tomita, Hidenori Mikamiyama, Naoyuki Suzuki
  • Publication number: 20160304535
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR1; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to forma polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: June 29, 2016
    Publication date: October 20, 2016
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Patent number: 9469638
    Abstract: This invention provides compounds having antiviral activities especially inhibiting activity for influenza virus, more preferably provides substituted 3-hydroxy-4-pyridone derivatives having cap-dependent endonuclease inhibitory activity.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: October 18, 2016
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Toshiyuki Akiyama, Kenji Takaya, Makoto Kawai, Yoshiyuki Taoda, Minako Mikamiyama, Kenji Morimoto, Kenji Tomita, Hidenori Mikamiyama, Naoyuki Suzuki
  • Publication number: 20160207939
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: March 31, 2016
    Publication date: July 21, 2016
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA