Patents by Inventor Tetsuo TOGA

Tetsuo TOGA 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: 10391076
    Abstract: The present invention relates to an anticancer agent having a high safety and a superior anticancer activity, and anticancer agent containing, as an active ingredient, an aminoacetonitrile compound represented by the formula (I) wherein R1 is a hydrogen atom, an alkyl group and the like, R2, R3, and R4 are the same or different and each is a hydrogen atom, an alkyl group and the like, R5 and R6 are the same or different and each is a hydrogen atom, a halogen atom and the like, m is 0 or 1, R is a halogen atom, a cyano group, a nitro group, a phenyl group optionally substituted by an alkyl group and the like, an alkyl group and the like, Ar1 is a phenyl group, a naphthyl group, a pyridyl group, a pyrazolyl group, or the like, each of which is optionally substituted by a halogen atom, a cyano group, a nitro group, alkyl group and the like, and W is —O—, —S—, —SO2—, or —N(R7)— wherein R7 is a hydrogen atom, a (C1-C6)alkyl group and the like, or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: August 27, 2019
    Assignee: Pitney Pharmaceuticals Pty Ltd.
    Inventors: Nobuharu Andoh, Osamu Sanpei, Tetsuo Toga, David Lawson Morris, Roger Aston, Koji Tanaka, Tomokazu Hino
  • Patent number: 10292960
    Abstract: The present invention relates to an anticancer agent having a high safety and a superior anticancer activity, and an anticancer agent containing, as an active ingredient, an aminoacetonitrile compound represented by the formula (I) wherein R1 is a hydrogen atom, an alkyl group and the like, R2, R3, and R4 are the same or different and each is a hydrogen atom, an alkyl group and the like, R5 and R6 are the same or different and each is a hydrogen atom, a halogen atom and the like, m is 0 or 1, R is a halogen atom, a cyano group, a nitro group, a phenyl group optionally substituted by an alkyl group and the like, an alkyl group and the like, Ar1 is a phenyl group, a naphthyl group, a pyridyl group, a pyrazolyl group, or the like, each of which is optionally substituted by a halogen atom, a cyano group, a nitro group, alkyl group and the like, and W is —O—, —S—, —SO2—, or —N(R7)— wherein R7 is a hydrogen atom, a (C1-C6) alkyl group and the like, or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: May 21, 2019
    Assignee: PITNEY PHARMACEUTICALS PTY LIMITED
    Inventors: Nobuharu Andoh, Osamu Sanpei, Tetsuo Toga, David Morris, Roger Aston, Koji Tanaka, Tomokazu Hino
  • Publication number: 20180243255
    Abstract: The present invention relates to an anticancer agent having a high safety and a superior anticancer activity, and anticancer agent containing, as an active ingredient, an aminoacetonitrile compound represented by the formula (I) wherein R1 is a hydrogen atom, an alkyl group and the like, R2, R3, and R4 are the same or different and each is a hydrogen atom, an alkyl group and the like, R5 and R6 are the same or different and each is a hydrogen atom, a halogen atom and the like, m is 0 or 1, R is a halogen atom, a cyano group, a nitro group, a phenyl group optionally substituted by an alkyl group and the like, an alkyl group and the like, Ar1 is a phenyl group, a naphthyl group, a pyridyl group, a pyrazolyl group, or the like, each of which is optionally substituted by a halogen atom, a cyano group, a nitro group, alkyl group and the like, and W is —O—, —S—, —SO2—, or —N(R7)— wherein R7 is a hydrogen atom, a (C1-C6)alkyl group and the like, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: February 24, 2016
    Publication date: August 30, 2018
    Applicant: Pitney Pharmaceuticals Pty Limited
    Inventors: Nobuharu ANDOH, Osamu SANPEI, Tetsuo TOGA, David Lawson MORRIS, Roger ASTON, Koji TANAKA, Tomokazu HINO
  • Publication number: 20180207124
    Abstract: The present invention relates to an anticancer agent having a high safety and a superior anticancer activity, and an anticancer agent containing, as an active ingredient, an aminoacetonitrile compound represented by the formula (I) wherein R1 is a hydrogen atom, an alkyl group and the like, R2, R3, and R4 are the same or different and each is a hydrogen atom, an alkyl group and the like, R5 and R6 are the same or different and each is a hydrogen atom, a halogen atom and the like, m is 0 or 1, R is a halogen atom, a cyano group, a nitro group, a phenyl group optionally substituted by an alkyl group and the like, an alkyl group and the like, Ar1 is a phenyl group, a naphthyl group, a pyridyl group, a pyrazolyl group, or the like, each of which is optionally substituted by a halogen atom, a cyano group, a nitro group, alkyl group and the like, and W is —O—, —S—, —SO2—, or —N(R7)—wherein R7 is a hydrogen atom, a (C1-C6) alkyl group and the like, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: January 23, 2018
    Publication date: July 26, 2018
    Applicant: PITNEY PHARMACEUTICALS PTY LIMITED
    Inventors: Nobuharu ANDOH, Osamu SANPEI, Tetsuo TOGA, David MORRIS, Roger ASTON, Koji TANAKA, Tomokazu HINO
  • Patent number: 9907778
    Abstract: The present invention relates to an anticancer agent having a high safety and a superior anticancer activity, and an anticancer agent containing, as an active ingredient, an aminoacetonitrile compound represented by the formula (I) wherein R1 is a hydrogen atom, an alkyl group and the like, R2, R3, and R4 are the same or different and each is a hydrogen atom, an alkyl group and the like, R5 and R6 are the same or different and each is a hydrogen atom, a halogen atom and the like, m is 0 or 1, R is a halogen atom, a cyano group, a nitro group, a phenyl group optionally substituted by an alkyl group and the like, an alkyl group and the like, Ar1 is a phenyl group, a naphthyl group, a pyridyl group, a pyrazolyl group, or the like, each of which is optionally substituted by a halogen atom, a cyano group, a nitro group, alkyl group and the like, and W is —O—, —S—, —SO2—, or —N(R7)— wherein R7 is a hydrogen atom, a (C1-C6)alkyl group and the like, or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: March 6, 2018
    Assignee: Pitney Pharmaceuticals Pty Limited
    Inventors: Nobuharu Andoh, Osamu Sanpei, Tetsuo Toga, David Lawson Morris, Roger Aston, Koji Tanaka, Tomokazu Hino
  • Publication number: 20160213640
    Abstract: The present invention relates to an anticancer agent having a high safety and a superior anticancer activity, and an anticancer agent containing, as an active ingredient, an aminoacetonitrile compound represented by the formula (I) wherein R1 is a hydrogen atom, an alkyl group and the like, R2, R3, and R4 are the same or different and each is a hydrogen atom, an alkyl group and the like, R5 and R6 are the same or different and each is a hydrogen atom, a halogen atom and the like, m is 0 or 1, R is a halogen atom, a cyano group, a nitro group, a phenyl group optionally substituted by an alkyl group and the like, an alkyl group and the like, Ar1 is a phenyl group, a naphthyl group, a pyridyl group, a pyrazolyl group, or the like, each of which is optionally substituted by a halogen atom, a cyano group, a nitro group, alkyl group and the like, and W is —O—, —S—, —SO2—, or —N(R7)— wherein R7 is a hydrogen atom, a (C1-C6)alkyl group and the like, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: September 12, 2014
    Publication date: July 28, 2016
    Applicants: NIHON NOHYAKU CO., LTD., PITNEY PHARMACEUTICALS PTY LIMITED
    Inventors: Nobuharu ANDOH, Osamu SANPEI, Tetsuo TOGA, David Lawson MORRIS, Roger ASTON, Koji TANAKA, Tomokazu HINO