Patents by Inventor Osamu Uchikawa

Osamu Uchikawa 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: 20160000746
    Abstract: Pharmaceutical compositions and methods for treating and/or preventing age-related macular degeneration with melatonin analogues are provided.
    Type: Application
    Filed: September 10, 2015
    Publication date: January 7, 2016
    Inventors: David Baron, Keisuke Hirai, Yashushi Shintani, Osamu Uchikawa
  • Publication number: 20150142085
    Abstract: Pharmaceutical compositions and methods for treating and/or preventing age-related macular degeneration with melatonin analogues are provided.
    Type: Application
    Filed: July 21, 2014
    Publication date: May 21, 2015
    Inventors: David Baron, Keisuke Hirai, Yasushi Shintani, Osamu Uchikawa
  • Patent number: 8895591
    Abstract: The present invention provides a compound represented by the formula which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: November 25, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Osamu Uchikawa, Tatsuki Koike, Yasutaka Hoashi, Takafumi Takai
  • Patent number: 8785491
    Abstract: Pharmaceutical compositions and methods for treating and/or preventing age-related macular degeneration with melatonin analogues are provided.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: July 22, 2014
    Assignee: Takeda Pharmaceuticals U.S.A., Inc.
    Inventors: David Baron, Keisuke Hirai, Yasushi Shintani, Osamu Uchikawa
  • Publication number: 20140011849
    Abstract: The present invention provides a compound represented by the formula which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.
    Type: Application
    Filed: September 4, 2013
    Publication date: January 9, 2014
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Osamu UCHIKAWA, Tatsuki KOIKE, Yasutaka HOASHI, Takafumi TAKAI
  • Patent number: 8552037
    Abstract: The present invention provides a compound represented by the formula which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: October 8, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Osamu Uchikawa, Tatsuki Koike, Yasutaka Hoashi, Takafumi Takai
  • Patent number: 8349879
    Abstract: The present invention provides a compound represented by the formula which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: January 8, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Osamu Uchikawa, Tatsuki Koike, Yasutaka Hoashi, Takafumi Takai
  • Patent number: 8318784
    Abstract: The present invention provides a compound represented by the formula which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: November 27, 2012
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Osamu Uchikawa, Tatsuki Koike, Yasutaka Hoashi, Takafumi Takai
  • Patent number: 8273761
    Abstract: The present invention provides a compound represented by the formula wherein R1 is a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or a heterocyclic group optionally having substituent(s), R2 is a hydrogen atom or a hydrocarbon group optionally having substituent(s), R3 is a hydrogen atom, a halogen atom, a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or mercapto optionally having a substituent, Xa to Xe are each a carbon atom or a nitrogen atom, m is 0 to 2, and ring A to ring C are each a ring optionally having substituent(s), or a salt thereof, which is useful as an agent for the prophylaxis or treatment of a disease relating to an action of melatonin, and the like.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: September 25, 2012
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Osamu Uchikawa, Tatsuki Koike, Takafumi Takai, Yasutaka Hoashi
  • Patent number: 8247429
    Abstract: The present invention provides a compound represented by the formula wherein R1 is a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or a heterocyclic group optionally having substituent(s), R2 is a hydrogen atom or a hydrocarbon group optionally having substituent(s), R3 is a hydrogen atom, a halogen atom, a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or mercapto optionally having a substituent, Xa, Xb, Xc and Xd are each a carbon atom or a nitrogen atom, provided that any one or two of Xa, Xb, Xc and Xd is/are nitrogen atom(s), m is 0 to 2, and rings A to C are each a ring optionally having substituent(s), or a salt thereof, which is useful as an agent for the prophylaxis or treatment of a disease relating to an action of melatonin, and the like.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: August 21, 2012
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Osamu Uchikawa, Tatsuki Koike, Takafumi Takai, Yasutaka Hoashi
  • Patent number: 8236837
    Abstract: The present invention provides a compound represented by the formula which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: August 7, 2012
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Osamu Uchikawa, Tatsuki Koike, Yasutaka Hoashi, Takafumi Takai
  • Patent number: 8030337
    Abstract: The present invention provides a compound represented by the formula which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.
    Type: Grant
    Filed: June 18, 2007
    Date of Patent: October 4, 2011
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Osamu Uchikawa, Tatsuki Koike, Yasutaka Hoashi, Takafumi Takai
  • Publication number: 20110229464
    Abstract: Pharmaceutical compositions and methods for treating and/or preventing age-related macular degeneration with melatonin analogues are provided.
    Type: Application
    Filed: June 17, 2009
    Publication date: September 22, 2011
    Inventors: David Baron, Keisuke Hirai, Yasushi Shintani, Osamu Uchikawa
  • Publication number: 20110196003
    Abstract: The present invention provides a compound represented by the formula which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.
    Type: Application
    Filed: March 14, 2011
    Publication date: August 11, 2011
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Osamu Uchikawa, Tatsuki Koike, Yasutaka Hoashi, Takafumi Takai
  • Publication number: 20110190361
    Abstract: The present invention provides a compound represented by the formula which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.
    Type: Application
    Filed: March 14, 2011
    Publication date: August 4, 2011
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Osamu UCHIKAWA, Tatsuki Koike, Yasutaka Hoashi, Takafumi Takai
  • Publication number: 20100029707
    Abstract: The present invention provides a compound represented by the formula wherein R1 is a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or a heterocyclic group optionally having substituent(s), R2 is a hydrogen atom or a hydrocarbon group optionally having substituent(s), R3 is a hydrogen atom, a halogen atom, a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or mercapto optionally having a substituent, Xa to Xe are each a carbon atom or a nitrogen atom, m is 0 to 2, and ring A to ring C are each a ring optionally having substituent(s), or a salt thereof, which is useful as an agent for the prophylaxis or treatment of a disease relating to an action of melatonin, and the like.
    Type: Application
    Filed: December 7, 2007
    Publication date: February 4, 2010
    Inventors: Osamu Uchikawa, Tatsuki Koike, Takafumi Takai, Yasutaka Hoashi
  • Publication number: 20100029619
    Abstract: The present invention provides a compound represented by the formula (I): wherein ring A is a ring which is optionally further substituted; R1 is a hydrogen atom or a substituent; R2 is a hydrogen atom or a substituent; R3 is a hydrogen atom or a substituent; R4 is a hydrogen atom or a substituent; R5 is a hydrogen atom or a substituent; R6 is a hydrogen atom or a substituent; X is ?N— or ?C(Z)- (Z is a hydrogen atom or a substituent); when X is ?C(Z)-, Z and R6 are optionally bonded to each other to form, together with the carbon atom bonded thereto, an optionally substituted ring, provided that when X is ?CH—, then R6 is not optionally substituted 2-piperidinyl, excluding N-imidazo[1,2-a]pyridin-2-yl-4-methyl-benzamide, N-imidazo[1,2-a]pyridin-2-yl-benzamide and N-(7-methylimidazo[1,2-a]pyridin-2-yl)-benzamide, or a salt thereof, and a pharmaceutical agent containing same.
    Type: Application
    Filed: August 3, 2007
    Publication date: February 4, 2010
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMTED
    Inventors: Osamu Uchikawa, Nozomu Sakai, Yoshito Terao, Hideo Suzuki
  • Publication number: 20100010038
    Abstract: The present invention provides a compound represented by the formula wherein R1 is a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or a heterocyclic group optionally having substituent(s), R2 is a hydrogen atom or a hydrocarbon group optionally having substituent(s), R3 is a hydrogen atom, a halogen atom, a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or mercapto optionally having a substituent, Xa, Xb, Xc and Xd are each a carbon atom or a nitrogen atom, provided that any one or two of Xa, Xb, Xc and Xd is/are nitrogen atom(s), m is 0 to 2, and rings A to C are each a ring optionally having substituent(s), or a salt thereof, which is useful as an agent for the prophylaxis or treatment of a disease relating to an action of melatonin, and the like.
    Type: Application
    Filed: December 27, 2007
    Publication date: January 14, 2010
    Inventors: Osamu Uchikawa, Tatsuki Koike, Takafumi Takai, Yasutaka Hoashi
  • Publication number: 20090182023
    Abstract: The present invention provides a compound represented by the formula which is useful as an agent for the prophylaxis or treatment of diseases related to the action of melatonin, or a salt thereof and the like.
    Type: Application
    Filed: June 18, 2007
    Publication date: July 16, 2009
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Osamu Uchikawa, Tatsuki Koike, Yasutaka Hoashi, Takafumi Takai
  • Publication number: 20080167314
    Abstract: The present invention relates to a compound represented by the formula [I] wherein X1, X2 and X3 are each an optionally substituted CH or a nitrogen atom, and any one of X1, X2 and X3 is a nitrogen atom, X4 is an optionally substituted CH, R1 is an optionally substituted phenyl group or an optionally substituted heterocyclic group, and R2 is an optionally substituted pyridin-4-yl group, an optionally substituted pyridine-N-oxide-4-yl group or an optionally substituted pyrimidin-4-yl group, or a salt thereof. The compound has superior p38 MAP kinase inhibitory activity and MMP-13 production inhibitory activity, and is useful as an agent for the prophylaxis or treatment and the like of an inflammatory disease, an autoimmune disease, a debilitating disease, an osteoarticular degenerative disease, a neurodegenerative disease, a vascular disease, a neoplastic disease or an infectious disease.
    Type: Application
    Filed: December 28, 2005
    Publication date: July 10, 2008
    Inventors: Osamu Uchikawa, Seiji Miwatashi