Patents by Inventor Shingo Tojo

Shingo Tojo 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: 20230365589
    Abstract: The present invention provides an amine derivative having a DYRK-inhibiting activity and represented by formula (1): wherein A1, A2, L1, L2, X, Z, R1 and R4 are as defined in the description, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: September 17, 2021
    Publication date: November 16, 2023
    Applicants: Sumitomo Pharma Co., Ltd., CARNA BIOSCIENCES, INC.
    Inventors: Shingo TOJO, Daisuke URABE, Hitoshi WATANABE, Wataru KAWAHATA, Hideki MORIYAMA, Yuko ASAMITSU
  • Patent number: 11661397
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6 alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: May 30, 2023
    Assignee: Sumitomo Pharma Co., Ltd.
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Publication number: 20230138851
    Abstract: The present invention provides a compound that has an inhibitory effect on DYRK and that is represented by general formula (I): wherein Q, R1, R2 and R3 are as defined in the description.
    Type: Application
    Filed: January 28, 2021
    Publication date: May 4, 2023
    Applicant: CARNA BIOSCIENCES, INC.
    Inventors: Ayako SAWA, Wataru KAWAHATA, Yuko ASAMITSU, Masaaki SAWA, Yasuhiro IWATA, Hideki MORIYAMA, Shingo TOJO, Daisuke URABE
  • Publication number: 20210171440
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6 alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Application
    Filed: October 16, 2020
    Publication date: June 10, 2021
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Patent number: 10898469
    Abstract: The present invention pertains to an imidazolylamide derivative represented by formula (1) that exhibits an exceptional suppressive effect on cancer cell sphere formation ability and that is useful as an antitumor agent that can be administered orally, or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: January 26, 2021
    Assignee: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Tsuguteru Otsubo, Eiji Sugaru, Hiroki Yamaguchi, Nobuyuki Sawada, Chiang Jia Li
  • Patent number: 10807945
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: October 20, 2020
    Assignee: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Patent number: 10703755
    Abstract: The present invention relates to a substituted purine derivative of formula (1) wherein R1 is alkoxy or the like, R2 is alkyl or the like, Ring Q1 is aryl or the like, W1 is alkylene or the like, Ring Q2 is aromatic carbocyclyl or the like, n is 1-4, R3 is hydrogen atom or the like, X1 is single bond or the like, W2 is alkylene or the like, and R4 is hydrogen atom or the like, or a pharmaceutically acceptable salt thereof, which has a potent inhibitory effect against TLR7, and thereby is useful for treating autoimmune disease.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: July 7, 2020
    Assignee: SUMITOMO DAINIPPON PHARMA CO., LTD.
    Inventors: Shingo Tojo, Yoshiaki Isobe, Eiji Ideue, Hiroaki Fujiwara, Daisuke Urabe
  • Publication number: 20190241550
    Abstract: Disclosed is a compound represented by formula (1) or a pharmacologically acceptable salt thereof. (In the formula, R1 is optionally substituted heteroaryl etc.; R2 is hydrogen etc.; R3 and R4 are each independently hydrogen etc., R5 is the following group: (wherein Y is optionally substituted five membered heteroaryl etc., R9a is optionally substituted aryl etc., R9b and R9c are each dependently hydrogen etc., and m is the integral 0 etc.) etc.; R6 is hydrogen etc.; and R7 is hydrogen etc.
    Type: Application
    Filed: October 11, 2018
    Publication date: August 8, 2019
    Inventors: Katsunori Tsuboi, Yosuke Takanashi, Shingo Tojo, Tomohiro Kodama, Katsumi Kubota, Toshio Kanai
  • Publication number: 20190241569
    Abstract: The invention provides novel inhibitors of cancer stem cells as well as cancer stem cell pathway kinase and other related kinases, pharmaceutical compositions and uses thereof in the treatment of cancer or a related disorder in a mammal, and methods of making such compounds and compositions.
    Type: Application
    Filed: November 30, 2018
    Publication date: August 8, 2019
    Inventors: Chiang Jia Li, Ji-Feng Liu, Wei Li, Amanda Gibeau, Harry Rogoff, Katsunori Tsuboi, Yosuke Takanashi, Shingo Tojo, Tomohiro Kodama, Katsumi Kubota, Toshio Kanai
  • Publication number: 20190169191
    Abstract: The present invention relates to a substituted purine derivative of formula (1) wherein R1 is alkoxy or the like, R2 is alkyl or the like, Ring Q1 is aryl or the like, W1 is alkylene or the like, Ring Q2 is aromatic carbocyclyl or the like, n is 1-4, R3 is hydrogen atom or the like, X1 is single bond or the like, W2 is alkylene or the like, and R4 is hydrogen atom or the like, or a pharmaceutically acceptable salt thereof, which has a potent inhibitory effect against TLR7, and thereby is useful for treating autoimmune disease.
    Type: Application
    Filed: April 25, 2017
    Publication date: June 6, 2019
    Applicant: SUMITOMO DAINIPPON PHARMA CO., LTD.
    Inventors: Shingo TOJO, Yoshiaki ISOBE, Eiji IDEUE, Hiroaki FUJIWARA, Daisuke URABE
  • Publication number: 20190060282
    Abstract: The present invention pertains to an imidazolylamide derivative represented by formula (1) that exhibits an exceptional suppressive effect on cancer cell sphere formation ability and that is useful as an antitumor agent that can be administered orally, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: February 23, 2017
    Publication date: February 28, 2019
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Tsuguteru Otsubo, Eiji Sugaru, Hiroki Yamaguchi, Nobuyuki Sawada, Chiang Jia Li
  • Publication number: 20180230085
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Application
    Filed: June 21, 2016
    Publication date: August 16, 2018
    Inventors: Hitoshi Ban, Manabu Watanabe, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Patent number: 9828362
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6 alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: November 28, 2017
    Assignee: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Publication number: 20170166552
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6 alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Application
    Filed: February 27, 2017
    Publication date: June 15, 2017
    Inventors: Hitoshi Ban, Manabu Watanabe, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Publication number: 20160075697
    Abstract: Disclosed is a compound represented by formula (1) or a pharmacologically acceptable salt thereof. (In the formula, R1 is optionally substituted heteroaryl etc.; R2 is hydrogen etc.; R3 and R4 are each independently hydrogen etc., R5 is the following group: (wherein Y is optionally substituted five membered heteroaryl etc., R9a is optionally substituted aryl etc., R9b and R9c are each dependently hydrogen etc., and m is the integral 0 etc.) etc.; R6 is hydrogen etc.; and R7 is hydrogen etc.
    Type: Application
    Filed: November 24, 2015
    Publication date: March 17, 2016
    Inventors: Katsunori Tsuboi, Yosuke Takanashi, Shingo Tojo, Tomohiro Kodama, Katsumi Kubota, Toshio Kanai
  • Publication number: 20160031888
    Abstract: The invention provides compounds of Formula I as inhibitors of cancer stem cells as well as cancer stem cell pathway kinase and other related kinases, pharmaceutical compositions and uses thereof in the treatment of cancer or a related disorder in a mammal, wherein i.a. R2 is an optionally substituted heterocycle or optionally substituted aryl; and one of R4, R5, R6 and R7 is a substituted heterocycle or substituted aryl.
    Type: Application
    Filed: March 13, 2014
    Publication date: February 4, 2016
    Applicant: BOSTON BIOMEDICAL, INC.
    Inventors: Chiang Jia Li, Ji-feng Liu, Wei Li, Amanda Gibeau, Harry Rogoff, Katsunori Tsuboi, Yosuke Takanashi, Shingo Tojo, Tomohiro Kodama, Katsumi Kubota, Toshio Kanai
  • Patent number: 9227962
    Abstract: Disclosed is a compound represented by formula (1) or a pharmacologically acceptable salt thereof. (In the formula, R1 is optionally substituted heteroaryl etc.; R2 is hydrogen etc.; R3 and R4 are each independently hydrogen etc., R5 is the following group: (wherein Y is optionally substituted five membered heteroaryl etc., R9a is optionally substituted aryl etc., R9b and R9c are each dependently hydrogen etc., and m is the integral 0 etc.) etc.; R6 is hydrogen etc.; and R7 is hydrogen etc.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: January 5, 2016
    Assignee: Boston Biomedical, Inc.
    Inventors: Katsunori Tsuboi, Yosuke Takanashi, Shingo Tojo, Tomohiro Kodama, Katsumi Kubota, Toshio Kanai
  • Publication number: 20140275076
    Abstract: Disclosed is a compound represented by formula (1) or a pharmacologically acceptable salt thereof. (In the formula, R1 is optionally substituted heteroaryl etc.; R2 is hydrogen etc.; R3 and R4 are each independently hydrogen etc., R5 is the following group: (wherein Y is optionally substituted five membered heteroaryl etc., R9a is optionally substituted aryl etc., R9b and R9c are each dependently hydrogen etc., and m is the integral 0 etc.) etc.; R6 is hydrogen etc.; and R7 is hydrogen etc.
    Type: Application
    Filed: March 13, 2014
    Publication date: September 18, 2014
    Inventors: Katsunori Tsuboi, Yosuke Takanashi, Shingo Tojo, Tomohiro Kodama, Katsumi Kubota, Toshio Kanai
  • Publication number: 20110136801
    Abstract: The present invention provides compounds of formula (I): wherein Ra, Rb, Rc, R1, R2, R3, X1, Y1, Z1, A, n and m are as defined in the specification, and pharmaceutically acceptable salts thereof, as well as processes for their preparation, pharmaceutical compositions containing them and their use in therapy.
    Type: Application
    Filed: December 2, 2010
    Publication date: June 9, 2011
    Applicants: Dainippon Sumitomo Pharma Co. Ltd., AstraZeneca AB
    Inventors: Yoshiaki Isobe, Mai Kasai, Tomoaki Nakamura, Shingo Tojo, Hirotaka Kurebayashi
  • Publication number: 20090082332
    Abstract: The present invention provides compounds of formula (I) wherein R1, Y1, X1, Z1, X2, Y2, A, Y3, n, R and R2 are as defined in the specification, processes for their preparation, pharmaceutical compositions containing them and their use in therapy.
    Type: Application
    Filed: September 20, 2006
    Publication date: March 26, 2009
    Inventors: Philip Abbot, Roger Victor Bonnert, Stephen Brough, Kamaldeep Chohan, Thomas McInally, Stephen Thom, Yoshiaki Isobe, Kei Nakamura, Shingo Tojo