Patents by Inventor Katsunori Tsuboi

Katsunori Tsuboi 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: 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: 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: 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
  • Patent number: 9108930
    Abstract: The present invention provides inhibitors of a wide variety of serine hydrolase enzymes. The inhibitors of the present invention are N1- and N2-carbamoyl-1,2,3-triazole compounds such as those of Formula (I): in which N1, N2, and N3 are the nitrogen atoms at positions 1, 2, and 3, respectively, of the triazole ring, and R4, R5, R6 and R7 in Formula (I) are as described herein. Methods of inhibiting serine hydrolase enzymes and methods of preparing carbamoyl-1,2,3-triazole compounds also are described.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: August 18, 2015
    Assignee: The Scripps Research Institute
    Inventors: Benjamin Cravatt, Alexander Adibekian, Katsunori Tsuboi, Ku-Lung Hsu
  • 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: 20140018318
    Abstract: The present invention provides inhibitors of a wide variety of serine hydrolase enzymes. The inhibitors of the present invention are N1- and N2-carbamoyl-1,2,3-triazole compounds such as those of Formula (I): in which N1, N2, and N3 are the nitrogen atoms at positions 1, 2, and 3, respectively, of the triazole ring, and R4, R5, R6 and R7 in Formula (I) are as described herein. Methods of inhibiting serine hydrolase enzymes and methods of preparing carbamoyl-1,2,3-triazole compounds also are described.
    Type: Application
    Filed: April 5, 2012
    Publication date: January 16, 2014
    Applicant: The Scipps Research Institute
    Inventors: Benjamin Cravatt, Alexander Adibekian, Katsunori Tsuboi, Ku-Lung Hsu
  • Publication number: 20130303535
    Abstract: The invention provides a compound for the treatment or prophylaxis of pathology involving SNS, specifically diseases such as neuropathic pain, nociceptive pain, dysuria, multiple sclerosis and the like.
    Type: Application
    Filed: May 15, 2013
    Publication date: November 14, 2013
    Inventors: Katsunori TSUBOI, Yusuke YAMAI, Hitoshi WATANABE, Hironori KINOSHITA
  • Patent number: 8471038
    Abstract: The invention provides a compound for the treatment or prophylaxis of pathology involving SNS, specifically diseases such as neuropathic pain, nociceptive pain, dysuria, multiple sclerosis and the like.
    Type: Grant
    Filed: December 25, 2009
    Date of Patent: June 25, 2013
    Assignee: Dainippon Sumitomo Pharma Co., Ltd.
    Inventors: Katsunori Tsuboi, Yusuke Yamai, Hitoshi Watanabe, Hironori Kinoshita
  • Patent number: 7879843
    Abstract: A medicine which contains as an active ingredient a benzothiazin-3-one-compound represented by the formula (1): (wherein n is 3 or 4; R represents ethyl or hydrogen; and R1 represents hologeno, alkoxy, haloalkyl, or haloalkoxy) or a pharmaceutically acceptable salt thereof. It is useful as a therapeutic or preventive agent for arthrosis deformans, chondrodegenerative discases such as chronic articular rheumatism, cancers, gingivitis, etc. Also provided are an intermediate for the compound and a process for producing the compound.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: February 1, 2011
    Assignee: Dainippon Sumitomo Pharma Co., Ltd.
    Inventors: Fumio Samizo, Yoshihiro Horiuchi, Nobuhisa Fukuda, Katsunori Tsuboi, Atsushi Makita
  • Publication number: 20100009976
    Abstract: A medicine which contains as an active ingredient a benzothiazin-3-one-compound represented by the formula (1): (wherein n is 3 or 4; R represents ethyl or hydrogen; and R1 represents hologeno, alkoxy, haloalkyl, or haloalkoxy) or a pharmaceutically acceptable salt thereof. It is useful as a therapeutic or preventive agent for arthrosis deformans, chondrodegenerative discases such as chronic articular rheumatism, cancers, gingivitis, etc. Also provided are an intermediate for the compound and a process for producing the compound.
    Type: Application
    Filed: August 26, 2009
    Publication date: January 14, 2010
    Applicant: DAINIPPON SUMITOMO PHARMA CO., LTD.
    Inventors: Fumio Samizo, Yoshihiro HORIUCHI, Nobuhisa Fukuda, Katsunori Tsuboi, Atsushi Makita
  • Patent number: 7598240
    Abstract: A medicine which contains as an active ingredient a benzothiazin-3-one-compound represented by the formula (1): (wherein n is 3 or 4; R represents ethyl or hydrogen; and R1 represents hologeno, alkoxy, haloalkyl, or haloalkoxy) or a pharmaceutically acceptable salt thereof. It is useful as a therapeutic or preventive agent for arthrosis deformans, chondrodegenerative discases such as chronic articular rheumatism, cancers, gingivitis, etc. Also provided are an intermediate for the compound and a process for producing the compound.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: October 6, 2009
    Assignee: Dainippon Sumitomo Pharma Co., Ltd.
    Inventors: Fumio Samizo, Yoshihiro Horiuchi, Nobuhisa Fukuda, Katsunori Tsuboi, Atsushi Makita
  • Publication number: 20090131412
    Abstract: A compound represented by the formula (1) or a pharmaceutically acceptable salt thereof which has a therapeutic or prophylactic effect on an SNS-related disease such as neuropathic pain. (1) wherein R1 and R2 independently represent an alkyl group having 1 to 4 carbon atoms or the like, or R1 and R2 may together form a 5- to 7-membered ring; n represents a numerical number of 1 to 3; A represents a substituted or unsubstituted aryl group or the like or a formula: —N(R5)R6 (wherein R5 and R6 independently represent a substituted or unsubstituted alkyl group or the like); and R3 and R4 independently represent a substituted or unsubstituted alkyl group or the like, or R3 and R4 may together form a substituted or unsubstituted, saturated or unsubstituted nitrogenated heterocyclic ring, provided that both of R1 and R2 are not a hydrogen atom when R3 and R4 together form a piperidine ring.
    Type: Application
    Filed: June 5, 2006
    Publication date: May 21, 2009
    Applicant: DAINIPPON SUMITOMO PHARMA CO., LTD.
    Inventors: Kazuhito Ikeda, Kazuo Kumagai, Katsunori Tsuboi, Nobuhisa Fukuda
  • Publication number: 20080058321
    Abstract: A medicine which contains as an active ingredient a benzothiazin-3-one-compound represented by the formula (1): (wherein n is 3 or 4; R represents ethyl or hydrogen; and R1 represents hologeno, alkoxy, haloalkyl, or haloalkoxy) or a pharmaceutically acceptable salt thereof. It is useful as a therapeutic or preventive agent for arthrosis deformans, chondrodegenerative discases such as chronic articular rheumatism, cancers, gingivitis, etc. Also provided are an intermediate for the compound and a process for producing the compound.
    Type: Application
    Filed: February 28, 2005
    Publication date: March 6, 2008
    Applicant: DAINIPPON SUMITOMO PHARMA CO., LTD.
    Inventors: Fumio Samizo, Yoshihiro Horiuchi, Nobuhisa Fukuda, Katsunori Tsuboi, Atsushi Makita