Patents by Inventor Shinji Yata

Shinji Yata 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: 20120115827
    Abstract: The present invention relates to a novel 3-aminobenzamide, compound represented by the following formula which effectively inhibits vanilloid receptor subtype 1 (VR1) activity (wherein, for example, R1 is a C1-6 alkyl group which may be substituted, R2 is a hydrogen atom, a C1-6 alkyl group or a C1-6 alkoxy group which may be substituted, R3 is a hydrogen atom or a C1-6 alkyl group, R4 is a C1-6 alkyl group, a C1-6 alkoxy group, or a halo C1-6 alkyl group, m is an integer of 1 to 5 and P is a carbon or hetero ring) or a pharmaceutically acceptable salt thereof. The pharmaceutical composition comprising as active ingredients the 3-aminobenzamide, compound or a pharmaceutically acceptable salt thereof is useful for treating diseases involved in VR1 activity such as pain, acute pain, chronic pain, neuropathicpain, rheumatoid arthritis pain, and neuralgia.
    Type: Application
    Filed: June 7, 2011
    Publication date: May 10, 2012
    Applicant: Japan Tobacco Inc.
    Inventors: Yoshihisa Koga, Shinji Yata, Takashi Watanabe, Takuya Matsuo, Masahiro Sakata, Wataru Kondo
  • Patent number: 8153631
    Abstract: The present invention provides a triazole compound of the following formula: a prodrug thereof or a pharmaceutically acceptable salt thereof. The above-mentioned triazole compound has superior HSD1 inhibitory activity, and is useful as an HSD1 inhibitor, a therapeutic drug of diabetes or a therapeutic drug of obesity or a therapeutic drug of metabolic syndrome.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: April 10, 2012
    Assignee: Amgen Inc.
    Inventors: Jay P. Powers, Mario G. Cardozo, Hiroyuki Goto, Kazuhito Harada, Katsuaki Imamura, Makoto Kakutani, Isamu Matsuda, Yasuhiro Ohe, Shinji Yata
  • Publication number: 20110245223
    Abstract: The present invention provides a compound represented by the following formula [1?] or a salt thereof: wherein ring A, R2, R3, R4 and X are as defined in the description, and an agent for the treatment or prophylaxis of a pathology involving glucocorticoid, or a 11?HSD1 inhibitor, containing the compound or a salt thereof.
    Type: Application
    Filed: December 1, 2010
    Publication date: October 6, 2011
    Applicant: Japan Tobacco Inc.
    Inventors: Hiroshi Yamamoto, Yasuhiro Ohe, Hiroyuki Goto, Kazuhito Harada, Shinji Yata, Takashi Ito, Jun Nishiu, Makoto Kakutani, Shunsuke Fujii, Kota Asahina
  • Publication number: 20110212952
    Abstract: A 3,4-dihydrobenzoxazine compound of the present invention is represented by the following formula [1] (wherein X is a nitrogen atom or CR3; R1 is a hydrogen atom or a halogen atom; R2 is a C1-6 alkoxy group which may be substituted with the same or different 1 to 5 substituents selected from a halogen atom and a hydroxyl group; and R3 is a halogen atom. However, R1 is a halogen atom when X is CR3). This compound is effective in treating diseases to which the vanilloid receptor subtype 1 (VR1) activity is involved, such as pain, etc.
    Type: Application
    Filed: February 1, 2011
    Publication date: September 1, 2011
    Applicant: Japan Tobacco Inc.
    Inventors: Yoshihisa Koga, Shinji Yata, Takayuki Yamasaki, Tatsuya Matsumoto, Masahiro Sakata, Wataru Kondo, Yoshikazu Hori
  • Patent number: 8008292
    Abstract: To provide a compound having an excellent inhibitory effect on vanilloid receptor subtype 1 (VR1) activity which is effective in treating diseases to which the vanilloid receptor subtype 1 (VR1) activity is involved, such as pain, acute pain, chronic pain, neuropathic pain, rheumatoid arthritis pain, neuralgia, etc. and a pharmaceutical composition containing the compound.
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: August 30, 2011
    Assignee: Japan Tobacco Inc.
    Inventors: Yoshihisa Koga, Shinji Yata, Takashi Watanabe, Takuya Matsuo, Takayuki Yamasaki, Masahiro Sakata, Wataru Kondo, Hidekazu Ozeki, Yoshikazu Hori
  • Patent number: 7906508
    Abstract: A 3,4-dihydrobenzoxazine compound of the present invention is represented by the following formula [1] (wherein X is a nitrogen atom or CR3; R1 is a hydrogen atom or a halogen atom; R2 is a C1-6 alkoxy group which may be substituted with the same or different 1 to 5 substituents selected from a halogen atom and a hydroxyl group; and R3 is a halogen atom. However, R1 is a halogen atom when X is CR3). This compound is effective in treating diseases to which the vanilloid receptor subtype 1 (VR1) activity is involved, such as pain, etc.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: March 15, 2011
    Assignee: Japan Tobacco Inc.
    Inventors: Yoshihisa Koga, Shinji Yata, Takayuki Yamasaki, Tatsuya Matsumoto, Masahiro Sakata, Wataru Kondo, Yoshikazu Hori
  • Patent number: 7683059
    Abstract: The present invention provides a triazole compound of the following formula: a prodrug thereof or a pharmaceutically acceptable salt thereof. The above-mentioned triazole compound is useful as a therapeutic drug for the treatment of diabetes, obesity or metabolic syndrome.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: March 23, 2010
    Assignee: Amgen Inc.
    Inventors: Mario G. Cardozo, Jay P. Powers, Hiroyuki Goto, Kazuhito Harada, Katsuaki Imamura, Makoto Kakutani, Isamu Matsuda, Yasuhiro Ohe, Shinji Yata
  • Publication number: 20100062972
    Abstract: The present invention provides a triazole compound of the following formula: a prodrug thereof or a pharmaceutically acceptable salt thereof. The above-mentioned triazole compound has superior HSD1 inhibitory activity, and is useful as an HSD1 inhibitor, a therapeutic drug of diabetes or a therapeutic drug of obesity or a therapeutic drug of metabolic syndrome.
    Type: Application
    Filed: November 19, 2009
    Publication date: March 11, 2010
    Inventors: JAY P. POWERS, Mario G. CARDOZO, Hiroyuki GOTO, Kazuhito HARADA, Katsuaki IMAMURA, Makoto KAKUTANI, Isamu MATSUDA, Yasuhiro OHE, Shinji YATA
  • Publication number: 20100022523
    Abstract: The present invention relates to a novel 3-aminobenzamide compound represented by the following formula which effectively inhibits vanilloid receptor subtype 1 (VR1) activity (wherein, for example, R1 is a C1-6 alkyl group which may be substituted, R2 is a hydrogen atom, a C1-6 alkyl group or a C1-6 alkoxy group which may be substituted, R3 is a hydrogen atom or a C1-6 alkyl group, R4 is a C1-6 alkyl group, a C1-6 alkoxy group, or a halo C1-6 alkyl group, m is an integer of 1 to 5 and P is a carbon or hetero ring) or a pharmaceutically acceptable salt thereof. The pharmaceutical composition comprising as active ingredients the 3-aminobenzamide compound or a pharmaceutically acceptable salt thereof is useful for treating diseases involved in VR1 activity such as pain, acute pain, chronic pain, neuropathic pain, rheumatoid arthritis pain, and neuralgia.
    Type: Application
    Filed: April 27, 2009
    Publication date: January 28, 2010
    Applicant: Japan Tobacco Inc.
    Inventors: YOSHIHISA KOGA, SHINJI YATA, TAKASHI WATANABE, TAKUYA MATSUO, MASAHIRO SAKATA, WATARU KONDO
  • Publication number: 20080249084
    Abstract: The present invention provides a triazole compound of the following formula: a prodrug thereof or a pharmaceutically acceptable salt thereof. The above-mentioned triazole compound is useful as a therapeutic drug for the treatment of diabetes, obesity or metabolic syndrome.
    Type: Application
    Filed: October 27, 2004
    Publication date: October 9, 2008
    Inventors: Jay P. Powers, Mario G. Cardozo, Hiroyuki Goto, Kazuhito Harada, Katsuaki Imamura, Makoto Kakutani, Isamu Matsuda, Yasuhiro Ohe, Shinji Yata
  • Publication number: 20080161374
    Abstract: Substituted pyrazoles are provided that are useful for the treatment of, for example, diabetes, obesity and metabolic syndrome.
    Type: Application
    Filed: February 14, 2008
    Publication date: July 3, 2008
    Inventors: Hiroyuki Goto, Makoto Kakutani, Jun Nishiu, Yasuhiro Ohe, Jay P. Powers, Shinji Yata, Hua Tu
  • Patent number: 7354938
    Abstract: Substituted pyrazoles are provided that are useful for the treatment of, for example, diabetes, obesity and metabolic syndrome.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: April 8, 2008
    Assignee: Amgen Inc.
    Inventors: Hiroyuki Goto, Makoto Kakutani, Jun Nishiu, Yasuhiro Ohe, Jay P. Powers, Shinji Yata, Hua Tu
  • Publication number: 20070149517
    Abstract: A 3,4-dihydrobenzoxazine compound of the present invention is represented by the following formula [1] (wherein X is a nitrogen atom or CR3; R1 is a hydrogen atom or a halogen atom; R2 is a C1-6 alkoxy group which may be substituted with the same or different 1 to 5 substituents selected from a halogen atom and a hydroxyl group; and R3 is a halogen atom. However, R1 is a halogen atom when X is CR3). This compound is effective in treating diseases to which the vanilloid receptor subtype 1 (VR1) activity is involved, such as pain, etc.
    Type: Application
    Filed: December 28, 2006
    Publication date: June 28, 2007
    Applicant: Japan Tobacco Inc.
    Inventors: Yoshihisa Koga, Shinji Yata, Takayuki Yamasaki, Tatsuya Matsumoto, Masahiro Sakata, Wataru Kondo, Yoshikazu Hori
  • Publication number: 20070072908
    Abstract: The present invention provides a compound represented by the following formula [1?] or a salt thereof: wherein ring A, R2, R3, R4 and X are as defined in the description, and an agent for the treatment or prophylaxis of a pathology involving glucocorticoid, or a 11?HSD1 inhibitor, containing the compound or a salt thereof.
    Type: Application
    Filed: June 8, 2006
    Publication date: March 29, 2007
    Applicant: JAPAN TOBACCO INC.
    Inventors: Hiroshi Yamamoto, Yasuhiro Ohe, Hiroyuki Goto, Kazuhito Harada, Shinji Yata, Takashi Ito, Jun Nishiu, Makoto Kakutani, Shunsuke Fujii, Kota Asahina
  • Publication number: 20060035882
    Abstract: To provide a compound having an excellent inhibitory effect on vanilloid receptor subtype 1 (VR1) activity which is effective in treating diseases to which the vanilloid receptor subtype 1 (VR1) activity is involved, such as pain, acute pain, chronic pain, neuropathic pain, rheumatoid arthritis pain, neuralgia, etc. and a pharmaceutical composition containing the compound.
    Type: Application
    Filed: July 15, 2005
    Publication date: February 16, 2006
    Applicant: Japan Tobacco Inc.
    Inventors: Yoshihisa Koga, Shinji Yata, Takashi Watanabe, Takuya Matsuo, Takayuki Yamasaki, Masahiro Sakata, Wataru Kondo, Hidekazu Ozeki, Yoshikazu Hori
  • Publication number: 20060035939
    Abstract: The present invention relates to a novel 3-aminobenzamide compound represented by the following formula which effectively inhibits vanilloid receptor subtype 1 (VR1) activity (wherein, for example, R1 is a C1-6 alkyl group which may be substituted, R2 is a hydrogen atom, a C1-6 alkyl group or a C1-6 alkoxy group which may be substituted, R3 is a hydrogen atom or a C1-6 alkyl group, R4 is a C1-6 alkyl group, a C1-6 alkoxy group, or a halo C1-6 alkyl group, m is an integer of 1 to 5 and P is a carbon or hetero ring) or a pharmaceutically acceptable salt thereof. The pharmaceutical composition comprising as active ingredients the 3-aminobenzamide compound or a pharmaceutically acceptable salt thereof is useful for treating diseases involved in VR1 activity such as pain, acute pain, chronic pain, neuropathic pain, rheumatoid arthritis pain, and neuralgia.
    Type: Application
    Filed: July 14, 2005
    Publication date: February 16, 2006
    Applicant: Japan Tobacco Inc.
    Inventors: Yoshihisa Koga, Shinji Yata, Takashi Watanabe, Takuya Matsuo, Masahiro Sakata, Wataru Kondo
  • Publication number: 20050272793
    Abstract: Substituted pyrazoles are provided that are useful for the treatment of, for example, diabetes, obesity and metabolic syndrome.
    Type: Application
    Filed: March 18, 2005
    Publication date: December 8, 2005
    Applicant: Amgen Inc.
    Inventors: Hiroyuki Goto, Makoto Kakutani, Jun Nishiu, Yasuhiro Ohe, Jay Powers, Shinji Yata
  • Patent number: 5536737
    Abstract: Compounds of the formula ##STR1## wherein R is a hydrogen atom or an acyl; U is --O--, --CHR.sup.1 -- or --NR.sup.2 -- wherein R.sup.1 is a hydrogen atom or a hetero ring, and R.sup.2 is a hydrogen atom or a lower alkoxycarbonyl lower alkyl; V is --O--, --S--, --CHR.sup.3 -- or --NR.sup.4 -- wherein R.sup.3 is a hydrogen atom or a lower alkoxycarbonyl, and R.sup.4 is a hydrogen atom, a lower alkyl or an acyl; W is methyl, a hetero ring or optionally substituted phenyl; X and Y are the same or different and each is --CH.sub.2 -- or --S--; m is an integer of 0 to 6; and n is an integer of 1 to 4, and pharmaceutically acceptable salts thereof.The compounds of the present invention have specifically strong inhibitory activity against prolyl endopeptidase, and suppress decomposition and inactivation of TRH, substance P, neurotensin, vasopressin and the like. Accordingly, the compounds can be used for the prophylaxis and/or treatment of dementia and amnesia including Alzheimer's disease.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: July 16, 1996
    Assignee: Japan Tobacco Inc.
    Inventors: Koji Kobayashi, Minoru Akamatsu, Shinji Yata, Hiroyuki Abe, Katsuo Toide, Motohiro Kogayu, Itsuo Uchida