Patents by Inventor Osamu Kurasawa

Osamu Kurasawa 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: 10696651
    Abstract: Provided is a heterocyclic compound that may have a GCN2 inhibitory action, and is expected to be useful for the prophylaxis or treatment of GCN2 associated diseases including cancer and the like. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: June 30, 2020
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Jun Fujimoto, Xin Liu, Osamu Kurasawa, Terufumi Takagi, Douglas Robert Cary, Hiroshi Banno, Yasutomi Asano, Takuto Kojima
  • Patent number: 10519110
    Abstract: The present invention relates to a compound which can be useful for the treatment or prevention of SPT-related diseases including cancer and congenital diseases associated with sphingolipid accumulation (including Niemann-Pick disease).
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: December 31, 2019
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Yasutomi Asano, Takuto Kojima, Osamu Kurasawa, Tzu-Tshin Wong, Yasuhiro Hirata, Naoki Iwamura, Bunnai Saito, Yuta Tanaka, Ryosuke Arai, Shinichi Imamura, Kazuko Yonemori, Yasufumi Miyamoto, Shuji Kitamura, Osamu Sano
  • Publication number: 20190169166
    Abstract: Provided is a heterocyclic compound that may have a GCN2 inhibitory action, and is expected to be useful for the prophylaxis or treatment of GCN2 associated diseases including cancer and the like. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof.
    Type: Application
    Filed: August 9, 2017
    Publication date: June 6, 2019
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Jun FUJIMOTO, Xin LIU, Osamu KURASAWA, Terufumi TAKAGI, Douglas Robert CARY, Hiroshi BANNO, Yasutomi ASANO, Takuto KOJIMA
  • Publication number: 20190062274
    Abstract: The present invention relates to a compound which can be useful for the treatment or prevention of SPT-related diseases including cancer and congenital diseases associated with sphingolipid accumulation (including Niemann-Pick disease).
    Type: Application
    Filed: October 30, 2018
    Publication date: February 28, 2019
    Inventors: Yasutomi ASANO, Takuto KOJIMA, Osamu KURASAWA, Tzu-Tshin WONG, Yasuhiro HIRATA, Naoki IWAMURA, Bunnai SAITO, Yuta TANAKA, Ryosuke ARAI, Shinichi IMAMURA, Kazuko YONEMORI, Yasufumi MIYAMOTO, Shuji KITAMURA, Osamu SANO
  • Patent number: 10189785
    Abstract: The present invention relates to a compound which can be useful for the treatment or prevention of SPT-related diseases including cancer and congenital diseases associated with sphingolipid accumulation (including Niemann-Pick disease).
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: January 29, 2019
    Assignee: Takeda Pharmaceuticals Company Limited
    Inventors: Yasutomi Asano, Takuto Kojima, Osamu Kurasawa, Tzu-Tshin Wong, Yasuhiro Hirata, Naoki Iwamura, Bunnai Saito, Yuta Tanaka, Ryosuke Arai, Shinichi Imamura, Kazuko Yonemori, Yasufumi Miyamoto, Shuji Kitamura, Osamu Sano
  • Publication number: 20180170874
    Abstract: The present invention relates to a compound which can be useful for the treatment or prevention of SPT-related diseases including cancer and congenital diseases associated with sphingolipid accumulation (including Niemann-Pick disease).
    Type: Application
    Filed: April 19, 2016
    Publication date: June 21, 2018
    Inventors: Yasutomi ASANO, Takuto KOJIMA, Osamu KURASAWA, Tzu-Tshin WONG, Yasuhiro HIRATA, Naoki IWAMURA, Bunnai SAITO, Yuta TANAKA, Ryosuke ARAI, Shinichi IMAMURA, Kazuko YONEMORI, Yasufumi MIYAMOTO, Shuji KITAMURA, Osamu SANO
  • Publication number: 20170209452
    Abstract: Provided is a compound useful for the prophylaxis or treatment of cancer. The present invention relates to a compound represented by formula (I): wherein each symbol in the formula is as defined in the specification, or a salt thereof or a prodrug thereof, which is useful for the prophylaxis or treatment of cancer.
    Type: Application
    Filed: April 11, 2017
    Publication date: July 27, 2017
    Inventors: Misaki HOMMA, Toru MIYAZAKI, Yuya OGURO, Osamu KURASAWA
  • Patent number: 9655900
    Abstract: Provided is a compound useful for the prophylaxis or treatment of cancer. The present invention relates to a compound represented by formula (I): wherein each symbol in the formula is as defined in the specification, or a salt thereof or a prodrug thereof, which is useful for the prophylaxis or treatment of cancer.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: May 23, 2017
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Misaki Homma, Toru Miyazaki, Yuya Oguro, Osamu Kurasawa
  • Publication number: 20160310494
    Abstract: Provided is a compound useful for the prophylaxis or treatment of cancer. The present invention relates to a compound represented by formula (I): wherein each symbol in the formula is as defined in the specification, or a salt thereof or a prodrug thereof, which is useful for the prophylaxis or treatment of cancer.
    Type: Application
    Filed: June 8, 2016
    Publication date: October 27, 2016
    Inventors: Misaki HOMMA, Toru MIYAZAKI, Yuya OGURO, Osamu KURASAWA
  • Patent number: 9388195
    Abstract: Provided is a compound useful for the prophylaxis or treatment of cancer. The present invention relates to a compound represented by formula (I): wherein each symbol in the formula is as defined in the specification, or a salt thereof or a prodrug thereof, which is useful for the prophylaxis or treatment of cancer.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: July 12, 2016
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Misaki Homma, Toru Miyazaki, Yuya Oguro, Osamu Kurasawa
  • Patent number: 9090601
    Abstract: The present invention relates to a compound represented by the formula (I) or (I?): wherein each symbol is as defined in the specification, or a salt thereof, and a PI3K and(or) mTOR inhibitor containing the compound or a prodrug thereof.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: July 28, 2015
    Assignee: Millennium Pharmaceuticals, Inc.
    Inventors: Hiroshi Banno, Masaaki Hirose, Osamu Kurasawa
  • Publication number: 20150158882
    Abstract: Provided is a compound useful for the prophylaxis or treatment of cancer. The present invention relates to a compound represented by formula (I): wherein each symbol in the formula is as defined in the specification, or a salt thereof or a prodrug thereof, which is useful for the prophylaxis or treatment of cancer.
    Type: Application
    Filed: December 10, 2014
    Publication date: June 11, 2015
    Inventors: Misaki HOMMA, Toru MIYAZAKI, Yuya OGURO, Osamu KURASAWA
  • Publication number: 20140235615
    Abstract: Provided is a compound useful for the prophylaxis or treatment of cancer. The present invention relates to a compound represented by formula (I): wherein each symbol in the formula is as defined in the specification, or a salt thereof or a prodrug thereof, which is useful for the prophylaxis or treatment of cancer.
    Type: Application
    Filed: March 24, 2014
    Publication date: August 21, 2014
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Misaki HOMMA, Toru MIYAZAKI, Yuya OGURO, Osamu KURASAWA
  • Publication number: 20140228352
    Abstract: Provided is a compound useful for the prophylaxis or treatment of cancer. The present invention relates to a compound represented by formula (I): wherein each symbol in the formula is as defined in the specification, or a salt thereof or a prodrug thereof, which is useful for the prophylaxis or treatment of cancer.
    Type: Application
    Filed: March 24, 2014
    Publication date: August 14, 2014
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Misaki HOMMA, Toru MIYAZAKI, Yuya OGURO, Osamu KURASAWA
  • Patent number: 8691828
    Abstract: The present invention relates to a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof, or a prodrug thereof, which is useful for the prophylaxis or treatment of cancer.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: April 8, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuya Oguro, Osamu Kurasawa
  • Publication number: 20130029969
    Abstract: Provided is a compound useful for the prophylaxis or treatment of cancer. The present invention relates to a compound represented by formula (I): wherein each symbol in the formula is as defined in the specification, or a salt thereof or a prodrug thereof, which is useful for the prophylaxis or treatment of cancer.
    Type: Application
    Filed: February 16, 2011
    Publication date: January 31, 2013
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Misaki Homma, Toru Miyazaki, Yuya Oguro, Osamu Kurasawa
  • Publication number: 20120040981
    Abstract: The present invention relates to a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof, or a prodrug thereof, which is useful for the prophylaxis or treatment of cancer.
    Type: Application
    Filed: March 4, 2010
    Publication date: February 16, 2012
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Yuya Oguro, Osamu Kurasawa
  • Publication number: 20110003807
    Abstract: The present invention relates to a compound represented by the formula (I) or (I?): wherein each symbol is as defined in the specification, or a salt thereof, and a PI3K and(or) mTOR inhibitor containing the compound or a prodrug thereof.
    Type: Application
    Filed: January 28, 2010
    Publication date: January 6, 2011
    Applicants: Millennium Pharmaceuticals, Inc., Takeda Pharmaceutical Company Limited
    Inventors: Hiroshi Banno, Masaaki Hirose, Osamu Kurasawa
  • Patent number: 7795267
    Abstract: The present invention provides a compound represented by the formula: wherein R1 is —(C?O)—NR7R8 or —(C?O)—OR6, R2 is a hydrocarbon group which may be substituted or the like, R3 is a hydrocarbon group which may be substituted or the like, R4 is a hydrocarbon group which may be substituted or the like, n is from 0 to 4, and X is an oxygen atom, or a salt thereof. The invention also provides a compound which has a TGR23 antagonist activity and thus is useful for prevention and treatment of cancer.
    Type: Grant
    Filed: August 26, 2004
    Date of Patent: September 14, 2010
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Kohji Fukatsu, Yutaka Nakayama, Naoki Tarui, Masaaki Mori, Hirokazu Matsumoto, Osamu Kurasawa, Hiroshi Banno
  • Publication number: 20100004238
    Abstract: The present invention provides a fused heterocyclic compound having a tyrosine kinase inhibitory action, which is represented by the formula: wherein R1 is a hydrogen atom, a halogen atom, or an optionally substituted group bonded via a carbon atom, a nitrogen atom or an oxygen atom; R2 is a hydrogen atom, or an optionally substituted group bonded via a carbon atom or a sulfur atom, or R1 and R2, or R2 and R3 are optionally bonded to each other to form an optionally substituted ring structure; R3 is a hydrogen atom or an optionally substituted aliphatic hydrocarbon group, or R3 is optionally bonded to the carbon atom on ring A to form an optionally substituted ring structure; ring A is an optionally substituted benzene ring; and ring B is (i) an optionally substituted fused ring, or (ii) a pyridine ring having optionally substituted carbamoyl (the pyridine ring is optionally further substituted).
    Type: Application
    Filed: December 11, 2007
    Publication date: January 7, 2010
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Tomoyasu Ishikawa, Hiroshi Banno, Youichi Kawakita, Tomohiro Ohashi, Osamu Kurasawa