Patents by Inventor Yoichiro Ishimaru

Yoichiro Ishimaru 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).

  • Thienopyridine derivatives, their intermediates and production thereof
    Publication number: 20020198384
    Abstract: The present invention provides an intermediate for producing a thienopyridine derivative useful as a GnRH antagonist as well as an efficient and safe method for producing the same in an industrial scale at a high yield.
    Type: Application
    Filed: June 3, 2002
    Publication date: December 26, 2002
    Inventors: Shokyo Miki, Koichiro Fukuoka, Masahiro Akita, Junichi Kawakami, Shuichi Furuya, Yoichiro Ishimaru
  • Thienopyridine derivatives, their intermediates and production thereof
    Publication number: 20020019529
    Abstract: The present invention provides an intermediate for producing a thienopyridine derivative useful as a GnRH antagonist as well as an efficient and safe method for producing the same in an industrial scale at a high yield.
    Type: Application
    Filed: July 18, 2001
    Publication date: February 14, 2002
    Inventors: Shokyo Miki, Koichiro Fukuoka, Masahiro Akita, Junichi Kawakami, Shuichi Furuya, Yoichiro Ishimaru
  • Thienopyridine derivatives, their intermediates and production thereof
    Patent number: 6313301
    Abstract: The present invention provides an intermediate for producing a thienopyridine derivative useful as a GnRH antagonist as well as an efficient and safe method for producing the same in an industrial scale at a high yield.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: November 6, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shokyo Miki, Koichiro Fukuoka, Masahiro Akita, Junichi Kawakami, Shuichi Furuya, Yoichiro Ishimaru