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: 20100016304
    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: Application
    Filed: December 21, 2007
    Publication date: January 21, 2010
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Ayako Nakamura, Kenji Fujita, Tomohiro Ide, Fumiyoshi Kobayashi, Shinji Kobayashi, Kanji Komatsu, Masanori Yamamoto
  • Patent number: 7582659
    Abstract: This invention relates to new oxazolidinones having a cyclopropyl moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species. The compounds are represented by structural formula I: its enantiomer, diastereomer, or pharmaceutically acceptable salt or ester thereof.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: September 1, 2009
    Assignees: Merck & Co., Inc., Kyorin Pharmaceutical Co., Ltd.
    Inventor: Yasumichi Fukuda
  • Patent number: 7560569
    Abstract: Novel bicycloamide derivatives (general formula (1)) and pharmaceutically acceptable salts thereof effectively inhibit DPP-IV. The bicycloamide derivatives are represented by the general formula (1): Pharmaceutically acceptable salts thereof are also included (Example: (2S,4S)-1-[[(4-carbamoylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile)).
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: July 14, 2009
    Assignee: Kyorin Pharmaceutical Co., Ltd
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Satoru Katayama, Taku Shibue, Koji Murakami, Tomohiro Ide
  • Patent number: 7514571
    Abstract: A novel bicyclo derivative represented by the following general formula (1), or a pharmaceutically acceptable salt thereof, acts as an effective DPP-IV inhibitor: One example is (2S,4S)-1-[[N-(4-methylbicyclo[2,2,2]oct-1-yl)amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile).
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: April 7, 2009
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Kazuya Yokota, Koji Murakami, Tomohiro Ide
  • Publication number: 20090048454
    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: Application
    Filed: February 2, 2007
    Publication date: February 19, 2009
    Inventors: Yoshikazu Asahina, Yasumichi Fukuda, Futoshi Shiga
  • Patent number: 7462633
    Abstract: This invention relates to new oxazolidinones having a cyclopropyl moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species. The compounds are represented by structural formula I: its enantiomer, diastereomer, or pharmaceutically acceptable salt or ester thereof.
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: December 9, 2008
    Assignees: Merck & Co., Inc., Kyorin Pharmaceutical Co., Ltd.
    Inventor: Yasumichi Fukuda
  • Publication number: 20080221330
    Abstract: A position 12-substituted mutilin derivative, a novel mutilin analogue, is provided that exhibits strong antimicrobial activity against abroad spectrum of Gram-positive or Gram-negative bacteria, including various drug-resistant bacteria, as well as intermediates for the production of such mutilin derivatives. Specifically, a mutilin derivative or an acid-addition salt thereof is provided that is represented by the following chemical formula (1): (wherein R1 is a hydrogen atom, a formyl group, a substituted or unsubstituted lower alkyl group, an aralkyl group whose aromatic ring may be optionally substituted, a heteroaralkyl group whose aromatic ring may be optionally substituted or a lower alkyloxycarbonyl group; and R2 is a hydrogen atom, a lower alkyl group or an aralkyl group whose aromatic ring may be optionally substituted) (R1 is neither an ethyl group nor a vinyl group).
    Type: Application
    Filed: December 21, 2005
    Publication date: September 11, 2008
    Inventors: Masanori Takadoi, Yasumichi Fukuda, Taro Sato, Osamu Nagae, Ryuta Kishi, Hideyuki Fukuda
  • Publication number: 20080146818
    Abstract: 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: February 1, 2005
    Publication date: June 19, 2008
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Kohei Ohata, Kazuya Yokota, Koji Murakami, Toshiyuki Matsui
  • Publication number: 20070265320
    Abstract: Novel bicycloamide derivatives (general formula (1)) and pharmaceutically acceptable salts thereof effectively inhibit DPP-IV. The bicycloamide derivatives are represented by the general formula (1): Pharmaceutically acceptable salts thereof are also included (Example: (2S,4S)-1-[[(4-carbamoylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile)).
    Type: Application
    Filed: February 17, 2005
    Publication date: November 15, 2007
    Applicant: KYORIN PHARMACEUTICAL CO., LTD
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Satoru Katayama, Taku Shibue, Koji Murakami, Tomohiro Ide
  • Publication number: 20070254866
    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: Application
    Filed: March 13, 2007
    Publication date: November 1, 2007
    Inventors: Oana Cociorva, Bei Li, Katrin Szardenings, Yasumichi Fukuda, Masahiro Nomura, Shigeki Seto, Kazuhiro Yumoto, Kyoko Okada, Ayako Nakamura
  • Publication number: 20070203187
    Abstract: This invention relates to new oxazolidinones having a cyclopropyl moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species. The compounds are represented by structural formula I: its enantiomer, diastereomer, or pharmaceutically acceptable salt or ester thereof.
    Type: Application
    Filed: January 22, 2007
    Publication date: August 30, 2007
    Applicants: Merck & Co., Inc., Kyorin Pharmaceutical Co., Ltd.
    Inventor: Yasumichi Fukuda
  • Publication number: 20070185132
    Abstract: This invention relates to new oxazolidinones having a cyclopropyl moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species. The compounds are represented by structural formula I: its enantiomer, diastereomer, or pharmaceutically acceptable salt or ester thereof.
    Type: Application
    Filed: June 29, 2004
    Publication date: August 9, 2007
    Inventor: Yasumichi Fukuda
  • Publication number: 20070167501
    Abstract: A novel bicyclo derivative represented by the following general formula (1), or a pharmaceutically acceptable salt thereof, acts as an effective DPP-IV inhibitor: One example is (2S,4S)-1-[[N-(4-methylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile).
    Type: Application
    Filed: February 22, 2005
    Publication date: July 19, 2007
    Inventors: Yasumichi Fukuda, Yoshikazu Asahina, Kazuya Yokota, Koji Murakami, Tomohiro Ide
  • Publication number: 20060247286
    Abstract: This invention relates to new oxazolidinones having a cyclopropyl moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species. The compounds are represented by structural formula I: its enantiomer, diastereomer, or pharmaceutically acceptable salt or ester thereof.
    Type: Application
    Filed: June 29, 2004
    Publication date: November 2, 2006
    Inventors: Milton Hammond, Yasumichi Fukuda
  • Publication number: 20050203144
    Abstract: Oxazolidinones having a bicyclic[3.1.0]hexane containing moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species. The compounds are represented by structural formula I: its enantiomer, diastereomer, or pharmaceutically acceptable salt or ester thereof, and wherein the variables R1, R2, R3, R4, R4a, A, Ar, HAr, n, r, and s are as defined herein.
    Type: Application
    Filed: May 12, 2004
    Publication date: September 15, 2005
    Applicants: KYORIN PHARMACEUTICAL CO., LTD., MERCK & CO., INC.
    Inventors: Yasumichi Fukuda, Milton Hammond
  • Patent number: 6897230
    Abstract: Oxazolidinones having a bicyclic[3.1.0]hexane containing moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species. The compounds are represented by structural formula I: its enantiomer, diastereomer, or pharmaceutically acceptable salt or ester thereof, and wherein the variables R1, R2, R3, R4, R4a, A, Ar, HAr, n, r, and s are as defined herein.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: May 24, 2005
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Yasumichi Fukuda, Milton L. Hammond
  • Publication number: 20050038092
    Abstract: This invention relates to new oxazolidinones having a cyclopropyl moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species. The compounds are represented by structural formula I: its enantiomer, diastereomer, or pharmaceutically acceptable salt or ester thereof.
    Type: Application
    Filed: June 29, 2004
    Publication date: February 17, 2005
    Inventor: Yasumichi Fukuda
  • Patent number: 6686363
    Abstract: This invention relates to new oxazolidinones having a cyclopropyl moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species. The compounds are represented by structural formula I: its enantiomer, diastereomer, or pharmaceutically acceptable salt or ester thereof.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: February 3, 2004
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventor: Yasumichi Fukuda
  • Publication number: 20030225107
    Abstract: This invention relates to new oxazolidinones having a cyclopropyl moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species.
    Type: Application
    Filed: November 27, 2002
    Publication date: December 4, 2003
    Inventor: Yasumichi Fukuda
  • Publication number: 20030125367
    Abstract: Oxazolidinones having a bicyclic[3.1.0] hexane containing moiety, which are effective against aerobic and anerobic pathogens such as multi-resistant staphylococci, streptococci and enterococci, Bacteroides spp., Clostridia spp. species, as well as acid-fast organisms such as Mycobacterium tuberculosis and other mycobacterial species.
    Type: Application
    Filed: April 17, 2002
    Publication date: July 3, 2003
    Applicant: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Yasumichi Fukuda, Milton L. Hammond