Patents by Inventor Ayumu Okuda

Ayumu Okuda 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: 20220162206
    Abstract: To provide a novel compound or a salt thereof or a solvate thereof, having a CSF-1R inhibitory activity and exhibiting antitumor effect. An azaindole derivative of formula (I): wherein A represents a C6-10 aryl ring, an aromatic heterocycle, or an unsaturated heterocycle, and A optionally has one substituent or more same or different substituents; and R represents a C1-3 alkyl group or a saturated heterocyclic group, or a salt thereof or a solvate thereof.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 26, 2022
    Applicant: KOWA COMPANY, LTD.
    Inventors: Gen WATANABE, Toshiharu MORIMOTO, Akira IWATA, Hirotaka SASAKI, Takahisa OGAMINO, Kosuke USUDA, Ayumu OKUDA, Hiroyuki ISHIWATA, Yuichiro TABUNOKI, Keigo NISHII
  • Patent number: 8921576
    Abstract: The present invention provides a novel compound represented by a general formula (1) as shown below, which has a glucokinase-activating action in the liver and pancreatic ?-cells and which is useful as an agent for preventing and/or treating diseases caused by hyperglycemia, such as diabetes. A spiroindoline compound represented by the general formula (1), or a salt thereof, or a solvate of the compound or the salt: [wherein ring A represents a nitrogen-containing 5-10 membered heteroaryl group; R1 and R2, which are the same or different, each represent a hydrogen atom, a halogen atom, a halo C1-6 alkyl group, a C6-10 aryl group, a cyano group, a C1-6 alkyl group optionally having a substituent, a C2-6 alkenyl group optionally having a substituent, etc.; R3 represents a hydrogen atom, a C1-6 alkyl group optionally having a substituent, etc.; and R4 represents a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally having a substituent, etc.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: December 30, 2014
    Assignee: Kowa Company, Ltd.
    Inventors: Takahisa Ogamino, Yukiyoshi Yamazaki, Shin Tanikawa, Ayumu Okuda, Tomoaki Fukuda, Okihisa Tokuda, Yoshiharu Miyake, Shinsuke Itoh, Hiroyuki Ishiwata
  • Publication number: 20140309207
    Abstract: The present invention provides a novel compound represented by a general formula (1) as shown below, which has a glucokinase-activating action in the liver and pancreatic ?-cells and which is useful as an agent for preventing and/or treating diseases caused by hyperglycemia, such as diabetes. A spiroindoline compound represented by the general formula (1), or a salt thereof, or a solvate of the compound or the salt: [wherein ring A represents a nitrogen-containing 5-10 membered heteroaryl group; R1 and R2, which are the same or different, each represent a hydrogen atom, a halogen atom, a halo C1-6 alkyl group, a C6-10 aryl group, a cyano group, a C1-6 alkyl group optionally having a substituent, a C2-6 alkenyl group optionally having a substituent, etc.; R3 represents a hydrogen atom, a C1-6 alkyl group optionally having a substituent, etc.; and R4 represents a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally having a substituent, etc.
    Type: Application
    Filed: October 18, 2012
    Publication date: October 16, 2014
    Inventors: Takahisa Ogamino, Yukiyoshi Yamazaki, Shin Tanikawa, Ayumu Okuda, Tomoaki Fukuda, Okihisa Tokuda, Yoshiharu Miyake, Shinsuke Itoh, Hiroyuki Ishiwata
  • Patent number: 8168666
    Abstract: There is provided a novel LXR? agonist useful as a preventative and/or therapeutic agent for arteriosclerosis; arteriosclerosis such as those resulting from diabetes; hyperlipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases caused by inflammatory cytokines, skin diseases such as allergic skin diseases, diabetes or Alzheimer's disease. The agonist is a carbinol derivative represented by the following general formula (1) or salt thereof, or their solvate.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: May 1, 2012
    Assignee: Kowa Company, Ltd.
    Inventors: Takayuki Matsuda, Ayumu Okuda, Minoru Koura, Yuki Yamaguchi, Sayaka Kurobuchi, Yuuichirou Watanabe, Kimiyuki Shibuya
  • Patent number: 8153634
    Abstract: [Object] To provide a novel LXR? agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis; arteriosclerosis such as those resulting from diabetes; dyslipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases that are caused by inflammatory cytokines; skin diseases such as allergic skin diseases; diabetes; or Alzheimer's disease. [Solving Means] A carbinol compound represented by the following general formula (I) or salt thereof, or their solvate.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: April 10, 2012
    Assignee: Kowa Company, Ltd.
    Inventors: Yuki Yamaguchi, Minoru Koura, Sayaka Kurobuchi, Takayuki Matsuda, Ayumu Okuda, Hisashi Sumida, Yuichiro Watanabe, Takashi Enomoto, Kimiyuki Shibuya
  • Patent number: 8012989
    Abstract: A compound represented by the following general formula (I), wherein R1, R2, R3, R4 and R5 represent hydrogen atom, a halogen atom, a lower alkyl group and the like, R6 represents an alkyl group, a cycloalkyl group and the like, R7 and R8 represent hydrogen atom, a lower alkyl group, a (lower cycloalkyl)(lower alkyl) group and the like, R9 represents hydrogen atom, a halogen atom, a lower alkoxy group and the like, R10 and R11 represent hydrogen atom, a lower alkyl group, a lower alkoxy group, a halo(lower alkyl) group and the like, and A represents a heterocyclic ring constituted by 6 to 10 atoms, which has potent inhibitory activity on cholesterol ester transfer protein (CETP).
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: September 6, 2011
    Assignee: Kowa Company, Ltd.
    Inventors: Tadaaki Ohgiya, Toru Miura, Ayumu Okuda, Toshiharu Arai, Koichi Yamazaki, Taro Aoki, Katsutoshi Miyosawa, Haruki Shibata, Kimiyuki Shibuya
  • Patent number: 8008306
    Abstract: To provide a novel LXR? agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis; arteriosclerosis such as those resulting from diabetes; dyslipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases that are caused by inflammatory cytokines; skin diseases such as allergic skin diseases; diabetes; or Alzheimer's disease. A quinoline compound represented by the following general formula (1) or salt thereof, or their solvate.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: August 30, 2011
    Assignee: Kowa Company, Ltd.
    Inventors: Minoru Koura, Ayumu Okuda, Takayuki Matsuda, Yuki Yamaguchi, Hisashi Sumida, Sayaka Kurobuchi, Yuichiro Watanabe, Takashi Enomoto, Kimiyuki Shibuya
  • Patent number: 7951822
    Abstract: The object is to provide a novel LXR? agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis; arteriosclerosis such as those resulting from diabetes; dyslipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases that are caused by inflammatory cytokines; skin diseases such as allergic skin diseases; diabetes; or Alzheimer's disease. The solving means is a 1,3-dihydroisobenzofuran derivative represented by the following general formula (1) or salt thereof, or their solvate.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: May 31, 2011
    Assignee: Kowa Company, Ltd.
    Inventors: Ayumu Okuda, Takayuki Matsuda, Toru Miura, Koichi Yamazaki, Yuki Yamaguchi, Minoru Koura, Sayaka Kurobuchi, Yuichiro Watanabe, Kimiyuki Shibuya
  • Patent number: 7919509
    Abstract: To provide a novel LXR? agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis; arteriosclerosis such as those resulting from diabetes; dyslipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases that are caused by inflammatory cytokines; skin diseases such as allergic skin diseases; diabetes; or Alzheimer's disease. [Solving Means] A 2-oxochromene derivative represented by the following general formula (1) or salt thereof, or their solvate.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: April 5, 2011
    Assignee: Kowa Company, Ltd.
    Inventors: Ayumu Okuda, Takayuki Matsuda, Toru Miura, Hidefumi Ozawa, Ayako Tosaka, Koichi Yamazaki, Yuki Yamaguchi, Sayaka Kurobuchi, Yuichiro Watanabe, Kimiyuki Shibuya
  • Publication number: 20100249148
    Abstract: A compound represented by the following general formula (I), wherein R1, R2, R3, R4 and R5 represent hydrogen atom, a halogen atom, a lower alkyl group and the like, R6 represents an alkyl group, a cycloalkyl group and the like, R7 and R8 represent hydrogen atom, a lower alkyl group, a (lower cycloalkyl)(lower alkyl) group and the like, R9 represents hydrogen atom, a halogen atom, a lower alkoxy group and the like, R10 and R11 represent hydrogen atom, a lower alkyl group, a lower alkoxy group, a halo(lower alkyl) group and the like, and A represents a heterocyclic ring constituted by 6 to 10 atoms, which has potent inhibitory activity on cholesterol ester transfer protein (CETP).
    Type: Application
    Filed: June 15, 2010
    Publication date: September 30, 2010
    Applicant: KOWA COMPANY, LTD.
    Inventors: Tadaaki OHGIYA, Toru MIURA, Ayumu OKUDA, Toshiharu ARAI, Koichi YAMAZAKI, Taro AOKI, Katsutoshi MIYOSAWA, Haruki SHIBATA, Kimiyuki SHIBUYA
  • Patent number: 7790737
    Abstract: A compound represented by the following general formula (I), wherein R1, R2, R3, R4 and R5 represent hydrogen atom, a halogen atom, a lower alkyl group and the like, R6 represents an alkyl group, a cycloalkyl group and the like, R7 and R8 represent hydrogen atom, a lower alkyl group, a (lower cycloalkyl)(lower alkyl) group and the like, R9 represents hydrogen atom, a halogen atom, a lower alkoxy group and the like, R10 and R11 represent hydrogen atom, a lower alkyl group, a lower alkoxy group, a halo(lower alkyl) group and the like, and A represents a heterocyclic ring constituted by 6 to 10 atoms, which has potent inhibitory activity on cholesterol ester transfer protein (CETP).
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: September 7, 2010
    Assignee: Kowa Company, Ltd.
    Inventors: Tadaaki Ohgiya, Toru Miura, Ayumu Okuda, Toshiharu Arai, Koichi Yamazaki, Taro Aoki, Katsutoshi Miyosawa, Haruki Shibata, Kimiyuki Shibuya
  • Patent number: 7750019
    Abstract: A compound represented by the following general formula (I) or a salt thereof, or a solvate thereof: (wherein R1, R2, R3, R4 and R5 are the same or different, and represent hydrogen atom, a halogen atom, a lower alkyl group etc., R6, R7 and R8 are the same or different, and represent hydrogen atom, a halogen atom, a lower alkyl group etc., R9 and R10 are the same or different, and represent hydrogen atom, a lower alkyl group, a (lower cycloalkyl)(lower alkyl) group etc., and R11 represents hydrogen atom, a halogen atom, a lower alkoxy group, a (lower alkyl)thio(lower alkoxy) group, a (lower alkyl)sulfinyl(lower alkoxy) group, a (lower alkyl)sulfonyl(lower alkoxy) group etc.), which has potent inhibitory activity on CETP.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: July 6, 2010
    Assignee: Kowa Company, Ltd.
    Inventors: Tadaaki Ohgiya, Toru Miura, Ayumu Okuda, Toshiharu Arai, Koichi Yamazaki, Taro Aoki, Katsutoshi Miyosawa, Haruki Shibata, Kimiyuki Shibuya
  • Publication number: 20100063119
    Abstract: There is provided a novel LXR? agonist useful as a preventative and/or therapeutic agent for arteriosclerosis; arteriosclerosis such as those resulting from diabetes; hyperlipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases caused by inflammatory cytokines, skin diseases such as allergic skin diseases, diabetes or Alzheimer's disease. The agonist is a carbinol derivative represented by the following general formula (1) or salt thereof, or their solvate.
    Type: Application
    Filed: November 29, 2007
    Publication date: March 11, 2010
    Applicant: KOWA COMPANY, LTD.
    Inventors: Takayuki Matsuda, Ayumu Okuda, Minoru Koura, Yuki Yamaguchi, Sayaka Kurobuchi, Yuuichirou Watanabe, Kimiyuki Shibuya
  • Publication number: 20100048610
    Abstract: [Object] To provide a novel LXR? agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis; arteriosclerosis such as those resulting from diabetes; dyslipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases that are caused by inflammatory cytokines; skin diseases such as allergic skin diseases; diabetes; or Alzheimer's disease. [Solving Means] A carbinol compound represented by the following general formula (I) or salt thereof, or their solvate.
    Type: Application
    Filed: May 29, 2009
    Publication date: February 25, 2010
    Applicant: KOWA COMPANY, LTD.
    Inventors: Yuki Yamaguchi, Minoru Koura, Sayaka Kurobuchi, Takayuki Matsuda, Ayumu Okuda, Hisashi Sumida, Yuuichirou Watanabe, Takashi Enomoto, Kimiyuki Shibuya
  • Patent number: 7659271
    Abstract: A compound represented by the following general formula (I), wherein R1, R2, R3, R4 and R5 represent hydrogen atom, a halo(lower alkyl) group, cyano group and the like, R6 represents an alkyl group, a cycloalkyl group and the like, R7, R8, R9 and R10 represent hydrogen atom, a halogen atom, a lower alkyl group, a halo(lower alkyl) group and the like, R11 and R12 represent hydrogen atom, a lower alkyl group, a (lower cycloalkyl) (lower alkyl) group and the like, and R13 represents hydrogen atom, a halogen atom, a lower alkoxy group and the like, which has potent inhibitory activity on cholesterol ester transfer protein (CETP).
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: February 9, 2010
    Assignee: Kowa Company, Ltd.
    Inventors: Tadaaki Ohgiya, Toru Miura, Ayumu Okuda, Toshiharu Arai, Koichi Yamazaki, Taro Aoki, Katsutoshi Miyosawa, Haruki Shibata, Kimiyuki Shibuya
  • Publication number: 20100016327
    Abstract: [Object] To provide a novel LXR? agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis; arteriosclerosis such as those resulting from diabetes; dyslipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases that are caused by inflammatory cytokines; skin diseases such as allergic skin diseases; diabetes; or Alzheimer's disease. [Solving Means] A quinoline compound represented by the following general formula (1) or salt thereof, or their solvate.
    Type: Application
    Filed: April 27, 2009
    Publication date: January 21, 2010
    Applicant: KOWA COMPANY, LTD.
    Inventors: Minoru KOURA, Ayumu OKUDA, Takayuki MATSUDA, Yuki YAMAGUCHI, Hisashi SUMIDA, Sayaka KUROBUCHI, Yuuichirou WATANABE, Takashi ENOMOTO, Kimiyuki SHIBUYA
  • Publication number: 20090286780
    Abstract: To provide a novel LXR? agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis; arteriosclerosis such as those resulting from diabetes; dyslipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases that are caused by inflammatory cytokines; skin diseases such as allergic skin diseases; diabetes; or Alzheimer's disease. [Solving Means] A 2-oxochromene derivative represented by the following general formula (1) or salt thereof, or their solvate.
    Type: Application
    Filed: February 27, 2009
    Publication date: November 19, 2009
    Applicant: KOWA COMPANY, LTD.
    Inventors: Ayumu OKUDA, Takayuki MATSUDA, Toru MIURA, Hidefumi OZAWA, Ayako TOSAKA, Koichi YAMAZAKI, Yuki YAMAGUCHI, Sayaka KUROBUCHI, Yuuichirou WATANABE, Kimiyuki SHIBUYA
  • Publication number: 20090247587
    Abstract: The object is to provide a novel LXR? agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis; arteriosclerosis such as those resulting from diabetes; dyslipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases that are caused by inflammatory cytokines; skin diseases such as allergic skin diseases; diabetes; or Alzheimer's disease. The solving means is a 1,3-dihydroisobenzofuran derivative represented by the following general formula (1) or salt thereof, or their solvate.
    Type: Application
    Filed: March 30, 2009
    Publication date: October 1, 2009
    Applicant: KOWA COMPANY, LTD.
    Inventors: Ayumu OKUDA, Takayuki MATSUDA, Toru MIURA, Koichi YAMAZAKI, Yuki YAMAGUCHI, Minoru KOURA, Sayaka KUROBUCHI, Yuuichiro WATANABE, Kimiyuki SHIBUYA
  • Publication number: 20090082352
    Abstract: A compound represented by the following general formula (I), wherein R1, R2, R3, R4 and R5 represent hydrogen atom, a halo(lower alkyl) group, cyano group and the like, R6 represents an alkyl group, a cycloalkyl group and the like, R7, R8, R9 and R10 represent hydrogen atom, a halogen atom, a lower alkyl group, a halo(lower alkyl) group and the like, R11 and R12 represent hydrogen atom, a lower alkyl group, a (lower cycloalkyl) (lower alkyl) group and the like, and R13 represents hydrogen atom, a halogen atom, a lower alkoxy group and the like, which has potent inhibitory activity on cholesterol ester transfer protein (CETP).
    Type: Application
    Filed: April 10, 2008
    Publication date: March 26, 2009
    Applicant: KOWA COMPANY, LTD.
    Inventors: Tadaaki OHGIYA, Toru MIURA, Ayumu OKUDA, Toshiharu ARAI, Koichi YAMAZAKI, Taro AOKI, Katsutoshi MIYOSAWA, Haruki SHIBATA, Kimiyuki SHIBUYA
  • Publication number: 20090062306
    Abstract: A compound represented by the following general formula (I), wherein R1, R2, R3, R4 and R5 represent hydrogen atom, a halogen atom, a lower alkyl group and the like, R6 represents an alkyl group, a cycloalkyl group and the like, R7 and R8 represent hydrogen atom, a lower alkyl group, a (lower cycloalkyl)(lower alkyl) group and the like, R9 represents hydrogen atom, a halogen atom, a lower alkoxy group and the like, R10 and R11 represent hydrogen atom, a lower alkyl group, a lower alkoxy group, a halo(lower alkyl) group and the like, and A represents a heterocyclic ring constituted by 6 to 10 atoms, which has potent inhibitory activity on cholesterol ester transfer protein (CETP).
    Type: Application
    Filed: March 11, 2008
    Publication date: March 5, 2009
    Applicant: KOWA COMPANY, LTD.
    Inventors: Tadaaki OHGIYA, Toru MIURA, Ayumu OKUDA, Toshiharu ARAI, Koichi YAMAZAKI, Taro AOKI, Katsutoshi MIYOSAWA, Haruki SHIBATA, Kimiyuki SHIBUYA