Patents by Inventor Yukito Furuya

Yukito Furuya 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).

  • Preparation method for optically active bicyclic gamma-amino acid compound
    Patent number: 9469623
    Abstract: An object of the present invention is to provide an optically active bicyclic ?-amino acid derivative in a high purity.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: October 18, 2016
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Yoshitaka Nakamura, Kazutoshi Ukai, Takafumi Kitawaki, Takumi Nakajima, Yutaka Kitagawa, Yukito Furuya, Makoto Imai, Eiji Numagami, Masakazu Wakayama, Ayako Saito
  • Optical resolution methods for bicyclic compounds using enzymes
    Patent number: 9394235
    Abstract: An object of the present invention is to efficiently produce an optically active bicyclic compound. The optically active bicyclic compound is efficiently produced using an enzyme.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: July 19, 2016
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Yoshitaka Nakamura, Yukito Furuya, Kousei Shimada, Yoshiyuki Onishi
  • METHOD FOR PRODUCING (1S,4S,5S)-4-BROMO-6-OXABICYCLO[3.2.1]OCTAN-7-ONE
    Publication number: 20150353577
    Abstract: It is an object of the present invention to provide a method for efficiently producing (1S,4S,5S)-4-bromo-6-oxabicyclo[3.2.1]octan-7-one (1), which is important as an intermediate compound for the production of an FXa-inhibiting compound. A method for producing (1S,4S,5S)-4-bromo-6-oxabicyclo[3.2.1]octan-7-one (1), which comprises treating an (R)-?-phenylethylamine salt of (S)-3-cyclohexene-1-carboxylic acid with 1,3-dibromo-5,5-dimethylhydantoin or N-bromosuccinimide in a solvent.
    Type: Application
    Filed: March 28, 2014
    Publication date: December 10, 2015
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Yoshihiro Takayanagi, Yukito Furuya, Yoshitaka Nakamura
  • Preparation Method for Optically Active Bicyclic Gamma-Amino Acid Compound
    Publication number: 20150218123
    Abstract: An object of the present invention is to provide an optically active bicyclic ?-amino acid derivative in a high purity.
    Type: Application
    Filed: February 6, 2015
    Publication date: August 6, 2015
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Yoshitaka NAKAMURA, Kazutoshi UKAI, Takafumi KITAWAKI, Takumi NAKAJIMA, Yutaka KITAGAWA, Yukito FURUYA, Makoto IMAI, Eiji NUMAGAMI, Masakazu WAKAYAMA, Ayako SAITO
  • Optical Resolution Methods for Bicyclic Compounds Using Enzymes
    Publication number: 20150038738
    Abstract: An object of the present invention is to efficiently produce an optically active bicyclic compound. The optically active bicyclic compound is efficiently produced using an enzyme.
    Type: Application
    Filed: October 10, 2014
    Publication date: February 5, 2015
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Yoshitaka Nakamura, Yukito Furuya, Kousei Shimada, Yoshiyuki Onishi
  • METHOD FOR PRODUCING PYRROLIDINE DERIVATIVE
    Publication number: 20100076202
    Abstract: The present invention provides an advantageous method for producing an intermediate which is useful for production of a compound which exhibits excellent VLA-4 inhibitory effect and safety. An intermediate (14) is produced through the following reaction scheme.
    Type: Application
    Filed: December 1, 2009
    Publication date: March 25, 2010
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Yoshihiro TAKAYANAGI, Toshihide Yamada, Yukito Furuya, Yoshiyuki Yoneda
  • Process for producing phenylacetic acid derivative
    Publication number: 20070149606
    Abstract: The present invention provides an advantageous process for producing an intermediate which is useful for producing a compound which exhibits excellent VLA-4 inhibitory effect and safety. Intermediates (III) and (XIII) are produced through conversion through the following reaction schemes.
    Type: Application
    Filed: December 27, 2004
    Publication date: June 28, 2007
    Applicant: DAIICHI PHARMACEUTICAL CO.,LTD.
    Inventors: Atsushi Nakayama, Shigeru Noguchi, Yukito Furuya, Katsuhiko Okano
  • Method for producing pyrrolidine derivative
    Publication number: 20070149607
    Abstract: The present invention provides an advantageous method for producing an intermediate which is useful for production of a compound which exhibits excellent VLA-4 inhibitory effect and safety. An intermediate (14) is produced through the following reaction scheme.
    Type: Application
    Filed: December 27, 2004
    Publication date: June 28, 2007
    Applicant: DAICHI PAHARMACEUTICAL CO., LTD.
    Inventors: Yoshihiro Takayanagi, Toshihide Yamada, Yukito Furuya, Yoshiyuki Yoneda