Patents by Inventor Yasumichi Fukuda

Yasumichi Fukuda 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: 20230265118
    Abstract: Provided are a derivative of curcumin monoglucuronide excellent in solubility and chemical stability, which can be provided as pharmaceuticals, and a method for producing the same. A salt of curcumin monoglucuronide represented by Chemical Formula 1, wherein M represents a pharmaceutically acceptable cation, a hydrate thereof, or a solvate thereof.
    Type: Application
    Filed: July 2, 2021
    Publication date: August 24, 2023
    Applicant: THERABIOPHARMA INC.
    Inventors: Atsushi IMAIZUMI, Hitomi UMETA, Yasumichi FUKUDA
  • Patent number: 9452977
    Abstract: A compound having a hypoglycemic effect is provided. The compound and a pharmaceutically acceptable salt thereof are useful for the treatment or prevention of diabetes, obesity, and the like. The compound is represented by the general formula (1): (wherein R1 and R2 are each independently a hydrogen atom, a halogen atom, an amino group, a hydroxyl group, a hydroxyamino group, a nitro group, a cyano group, a sulfamoyl group, a C1 to C6 alkyl group, a C1 to C6 alkoxy group, a C1 to C6 alkylsulfanyl group, a C1 to C6 alkylsulfinyl group, a C1 to C6 alkylsulfonyl group, or a C1 to C6 alkoxy-C1 to C6 alkylsulfonyl group, and A is a substituted or unsubstituted heteroaryl group).
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: September 27, 2016
    Assignees: KYORIN PHARMACEUTICAL CO., LTD., TEIJIN PHARMA LIMITED
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Masanori Takadoi, Masanori Yamamoto
  • Publication number: 20150105581
    Abstract: A compound having a hypoglycemic effect is provided. The compound and a pharmaceutically acceptable salt thereof are useful for the treatment or prevention of diabetes, obesity, and the like. The compound is represented by the general formula (1): (wherein R1 and R2 are each independently a hydrogen atom, a halogen atom, an amino group, a hydroxyl group, a hydroxyamino group, a nitro group, a cyano group, a sulfamoyl group, a C1 to C6 alkyl group, a C1 to C6 alkoxy group, a C1 to C6 alkylsulfanyl group, a C1 to C6 alkylsulfinyl group, a C1 to C6 alkylsulfonyl group, or a C1 to C6 alkoxy-C1 to C6 alkylsulfonyl group, and A is a substituted or unsubstituted heteroaryl group).
    Type: Application
    Filed: December 19, 2014
    Publication date: April 16, 2015
    Inventors: Yasumichi FUKUDA, Yoshikazu ASAHINA, Masanori TAKADOI, Masanori YAMAMOTO
  • Patent number: 8946440
    Abstract: A compound having a hypoglycemic effect is provided. The compound and a pharmaceutically acceptable salt thereof are useful for the treatment or prevention of diabetes, obesity, and the like. The compound is represented by the general formula (1): (wherein R1 and R2 are each independently a hydrogen atom, a halogen atom, an amino group, a hydroxyl group, a hydroxyamino group, a nitro group, a cyano group, a sulfamoyl group, a C1 to C6 alkyl group, a C1 to C6 alkoxy group, a C1 to C6 alkylsulfanyl group, a C1 to C6 alkylsulfinyl group, a C1 to C6 alkylsulfonyl group, or a C1 to C6 alkoxy-C1 to C6 alkylsulfonyl group, and A is a substituted or unsubstituted heteroaryl group).
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: February 3, 2015
    Assignees: Kyorin Pharmaceutical Co., Ltd., Teijin Pharma Limited
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Masanori Takadoi, Masanori Yamamoto
  • Patent number: 8901112
    Abstract: Provided herein are spirocyclic aminoquinolones of formula I and compositions containing the compounds. The compounds and compositions provided herein are useful in the prevention, amelioration or treatment of GSK-3 inhibitors mediated diseases.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: December 2, 2014
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Oana Cociorva, Yasumichi Fukuda, Yasushi Kohno, Bei Li, Kyoko Okada, Ayako Nakamura, Masahiro Nomura, Shigeki Seto, Anna Katrin Szardenings, Kazuhiro Yumoto
  • Publication number: 20140243302
    Abstract: Novel bridged bicyclic compounds are disclosed herein, along with their pharmaceutically acceptable salts, hydrates and prodrugs. Also disclosed are compositions comprising such compounds, methods of preparing such compounds and methods of using such compounds as antibacterial agents. The disclosed compounds, their pharmaceutically acceptable salts, hydrates and prodrugs, as well as compositions comprising such compounds, salts, hydrates and prodrugs, are useful for treating bacterial infections and associated diseases and conditions.
    Type: Application
    Filed: June 26, 2012
    Publication date: August 28, 2014
    Applicants: MERCK SHARP & DOHME CORPORATION, KYORIN PHARMACEUTICAL CO., LTD.
    Inventors: Yasumichi Fukuda, David E. Kaelin, JR., Sheo B. Singh
  • Publication number: 20140005184
    Abstract: Provided herein are spirocyclic aminoquinolones of formula I and compositions containing the compounds. The compounds and compositions provided herein are useful in the prevention, amelioration or treatment of GSK-3 inhibitors mediated diseases.
    Type: Application
    Filed: May 24, 2013
    Publication date: January 2, 2014
    Applicant: KYORIN PHARMACEUTICALS CO., LTD.
    Inventors: Oana COCIORVA, Yasumichi FUKUDA, Yasushi KOHNO, Bei LI, Kyoko OKADA, Ayako NAKAMURA, Masahiro NOMURA, Shigeki SETO, Anna Katrin SZARDENINGS, Kazuhiro YUMOTO
  • Patent number: 8476261
    Abstract: Provided herein are spirocyclic aminoquinolones of formula I and compositions containing the compounds. The compounds and compositions provided herein are useful in the prevention, amelioration or treatment of GSK-3 inhibitors mediated diseases. In Formula (I): X1 is O or NR8; A is bond or substituted or unsubstituted C1-C2 alkylene, wherein the substituents when present are selected from one to four Q2 groups; where Q2 is alkyl or haloalkyl; p is 0 or 1; and q is an integer of 0 to 2.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: July 2, 2013
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Oana Cociorva, Yasumichi Fukuda, Yasushi Kohno, Bei Li, Kyoko Okada, Ayako Nakamura, Masahiro Nomura, Shigeki Seto, Anna Katrin Szardenings, Kazuhiro Yumoto
  • Patent number: 8222407
    Abstract: To provide a novel mutilin derivative having a substitution at the 14-position, which is a novel mutilin analogue exhibiting a potent and broad antimicrobial action against Gram-positive bacteria and Gram-negative bacteria including various drug-resistant bacteria, and which is expected to be useful as an agent for treating infectious diseases. A mutilin derivative represented by the following general formula (1): or a pharmaceutically acceptable addition salt thereof.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: July 17, 2012
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Yasumichi Fukuda, Masanori Takadoi, Yoshikazu Asahina, Taro Sato, Haruaki Kurasaki, Hiroyuki Ebisu, Masaya Takei, Hideyuki Fukuda
  • Patent number: 8173649
    Abstract: A compound represented by the following formula (1): (wherein the carbon atom denoted by * is in the R-configuration; R1 and R2 are each independently a hydrogen atom, a halogen atom, an amino group, a hydroxyl group, a hydroxyamino group, a nitro group, a cyano group, a sulfamoyl group, a C1-C6 alkyl group, a C1-C6 alkoxy group, a C1-C6 alkylsulfanyl group, a C1-C6 alkylsulfinyl group or a C1-C6 alkylsulfonyl group; and A is a substituted or unsubstituted heteroaryl group), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: May 8, 2012
    Assignees: Kyorin Pharmaceutical Co., Ltd., Teijin Pharma Limited
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Ayako Nakamura, Kenji Fujita, Tomohiro Ide, Fumiyoshi Kobayashi, Shinji Kobayashi, Kanji Komatsu, Masanori Yamamoto
  • Patent number: 8063221
    Abstract: Provided herein are aminoquinolones and pharmaceutically acceptable derivatives thereof. In certain embodiments, provided herein are compounds, compositions and methods for treating, preventing or ameliorating GSK-3 mediated diseases.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: November 22, 2011
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Oana Cociorva, Bei Li, Anna Katrin Szardenings, Yasumichi Fukuda, Masahiro Nomura, Shigeki Seto, Kazuhiro Yumoto, Kyoko Okada, Ayako Nakamura
  • Patent number: 8053465
    Abstract: Summary Novel bicycloester derivatives and pharmaceutically acceptable salts thereof have high DPP-IV inhibitory activity. Solving Means The novel bicycloester derivatives are represented by the general formula (1): Pharmaceutically acceptable salts thereof are also included (Example: (2S,4S)-1-[[(N-(4-ethoxycarbonylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile)).
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: November 8, 2011
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Kohei Ohata, Kazuya Yokota, Koji Murakami, Toshiyuki Matsui
  • Patent number: 8034819
    Abstract: A compound, or a pharmaceutically acceptable salt thereof, represented by the formula (1), (wherein, the carbon atom marked with an * is in the R-configuration, R1 represents a hydrogen atom, a halogen atom, an amino group, a hydroxyl group, a hydroxyamino group, a nitro group, a cyano group, a sulfamoyl group, a C1-C6 alkyl group, or a C1-C6 alkoxy group, R2 represents a C3-C6 cycloalkylsulfanyl group, a C3-C6 cycloalkylsulfinyl group, or a C3-C6 cycloalkylsulfonyl group, and A represents a substituted or unsubstituted heteroaryl group).
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: October 11, 2011
    Assignees: Kyorin Pharmaceutical Co., Ltd., Teijin Pharma Limited
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Masanori Takadoi, Kohei Ohata, Tomohiro Ide, Fumiyoshi Kobayashi, Shinji Kobayashi, Kanji Komatsu, Masanori Yamamoto
  • Publication number: 20110160211
    Abstract: A compound having a hypoglycemic effect is provided. The compound and a pharmaceutically acceptable salt thereof are useful for the treatment or prevention of diabetes, obesity, and the like. The compound is represented by the general formula (1): (wherein R1 and R2 are each independently a hydrogen atom, a halogen atom, an amino group, a hydroxyl group, a hydroxyamino group, a nitro group, a cyano group, a sulfamoyl group, a C1 to C6 alkyl group, a C1 to C6 alkoxy group, a C1 to C6 alkylsulfanyl group, a C1 to C6 alkylsulfinyl group, a C1 to C6 alkylsulfonyl group, or a C1 to C6 alkoxy-C1 to C6 alkylsulfonyl group, and A is a substituted or unsubstituted heteroaryl group).
    Type: Application
    Filed: April 27, 2009
    Publication date: June 30, 2011
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Masanori Takadoi, Masanori Yamamoto
  • Patent number: 7915427
    Abstract: Novel intermediates for the production of aminoacetyl pyrrolidine carbonitrile derivatives ensure the safe and efficient production of the compounds. Specifically, the present invention provides a sulfonyloxyacetyl pyrrolidine derivative, represented by the following formula: (Chemical Formula 1) (wherein R1 is a substituted or unsubstituted C1-C6 alkyl group, a substituted or unsubstituted C3-C6 cycloalkyl group, a substituted or unsubstituted arylmethyl group, a substituted or unsubstituted aromatic hydrocarbon, a substituted or unsubstituted aromatic heterocyclic ring or a substituted or unsubstituted aliphatic heterocyclic ring; R2 is CONH2 or CN; and X is CH2, CHF or CF2.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: March 29, 2011
    Assignee: Kyorin Pharmaceuticals Co., Ltd.
    Inventors: Yoshikazu Asahina, Yasumichi Fukuda, Futoshi Shiga
  • Publication number: 20110034436
    Abstract: Provided herein are spirocyclic aminoquinolones of formula I and compositions containing the compounds. The compounds and compositions provided herein are useful in the prevention, amelioration or treatment of GSK-3 inhibitors mediated diseases. In Formula (I): X1 is O or NR8; A is bond or substituted or unsubstituted C1-C2 alkylene, wherein the substituents when present are selected from one to four Q2 groups; where Q2 is alkyl or haloalkyl; p is 0 or 1; and q is an integer of 0 to 2.
    Type: Application
    Filed: September 12, 2008
    Publication date: February 10, 2011
    Inventors: Oana Cociorva, Yasumichi Fukuda, Yasushi Kohno, Bei Li, Kyoko Okada, Ayako Nakamura, Masahiro Nomura, Shigeki Seto, Anna Katrin Szardenings, Yumoto Kazuhiro
  • Publication number: 20100197909
    Abstract: To provide a novel mutilin derivative having a substitution at the 14-position, which is a novel mutilin analogue exhibiting a potent and broad antimicrobial action against Gram-positive bacteria and Gram-negative bacteria including various drug-resistant bacteria, and which is expected to be useful as an agent for treating infectious diseases. A mutilin derivative represented by the following general formula (1): or a pharmaceutically acceptable addition salt thereof.
    Type: Application
    Filed: May 23, 2008
    Publication date: August 5, 2010
    Inventors: Yasumichi Fukuda, Masanori Takadoi, Yoshikazu Asahina, Taro Sato, Haruaki Kurasaki, Hiroyuki Ebisu, Masaya Takei, Hideyuki Fukuda
  • Patent number: 7754757
    Abstract: Novel bicycloester derivatives and pharmaceutically acceptable salts thereof have high DPP-IV inhibitory activity. The novel bicycloester derivatives are represented by the general formula (1): Pharmaceutically acceptable salts thereof are also included (Example: (2S,4S)-1-[[N-(4-ethoxycarbonylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile)).
    Type: Grant
    Filed: February 1, 2005
    Date of Patent: July 13, 2010
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Kohei Ohata, Kazuya Yokota, Koji Murakami, Toshiyuki Matsui
  • Publication number: 20100099671
    Abstract: A compound, or a pharmaceutically acceptable salt thereof, represented by the formula (1), (wherein, the carbon atom marked with an * is in the R-configuration, R1 represents a hydrogen atom, a halogen atom, an amino group, a hydroxyl group, a hydroxyamino group, a nitro group, a cyano group, a sulfamoyl group, a C1-C6 alkyl group, or a C1-C6 alkoxy group, R2 represents a C3-C6 cycloalkylsulfanyl group, a C3-C6 cycloalkylsulfinyl group, or a C3-C6 cycloalkylsulfonyl group, and A represents a substituted or unsubstituted heteroaryl group).
    Type: Application
    Filed: March 6, 2008
    Publication date: April 22, 2010
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Masanori Takadoi, Kohei Ohata, Tomohiro Ide, Fumiyoshi Kobayashi, Shinji Kobayashi, Kanji Komatsu, Masanori Yamamoto
  • Publication number: 20100093825
    Abstract: Summary Novel bicycloester derivatives and pharmaceutically acceptable salts thereof have high DPP-IV inhibitory activity. Solving Means The novel bicycloester derivatives are represented by the general formula (1): Pharmaceutically acceptable salts thereof are also included (Example: (2S,4S)-1-[[(N-(4-ethoxycarbonylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile)).
    Type: Application
    Filed: December 8, 2009
    Publication date: April 15, 2010
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Kohei Ohata, Kazuya Yokota, Koji Murakami, Toshiyuki Matsui