Patents by Inventor Takashi Takeichi

Takashi Takeichi 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).

  • PROCESS FOR PREPARING 7H-PYRROLO[2,3-d]PYRIMIDINE DERIVATIVES AND SYNTHETIC INTERMEDIATES THEREOF
    Publication number: 20240140967
    Abstract: The present invention provides processes for preparing 7H-pyrrolo[2,3-d]pyrimidine derivatives, which are useful as a Janus kinase (JAK) inhibitor, intermediates thereof, and processes for preparing the intermediates. The present invention provides processes for preparing 3-[(3S,4R)-3-methyl-6-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1,6-diazaspiro[3.4]octan-1-yl]-3-oxopropanenitrile using salts of (3S,4R)-1-benzyl-3-methyl-1,6-diazaspiro[3.4]octane with organic acids.
    Type: Application
    Filed: April 19, 2023
    Publication date: May 2, 2024
    Inventors: Hiromu Takiguchi, Akinobu Higashi, Takashi Inaba, Takashi Watanabe, Tsubasa Takeichi, Anders Klarskov Petersen, Per Vedsoe, Kim Lebek Jensen, Jan Bornholdt, Soren Ebdrup
  • Wristwatch
    Patent number: D292678
    Type: Grant
    Filed: May 6, 1985
    Date of Patent: November 10, 1987
    Assignee: Casio Computer Co., Ltd.
    Inventor: Takashi Takeichi
  • Wrist watch
    Patent number: D295264
    Type: Grant
    Filed: October 23, 1985
    Date of Patent: April 19, 1988
    Assignee: Casio Computer Co., Ltd.
    Inventor: Takashi Takeichi
  • Wrist watch
    Patent number: D295837
    Type: Grant
    Filed: October 23, 1985
    Date of Patent: May 24, 1988
    Assignee: Casio Computer Co., Ltd.
    Inventor: Takashi Takeichi
  • Wrist watch
    Patent number: D309577
    Type: Grant
    Filed: June 11, 1987
    Date of Patent: July 31, 1990
    Assignee: Casio Computer Co., Ltd.
    Inventor: Takashi Takeichi
  • Wrist watch
    Patent number: D377151
    Type: Grant
    Filed: November 6, 1995
    Date of Patent: January 7, 1997
    Assignee: Casio Computer Co., Ltd.
    Inventor: Takashi Takeichi
  • Wrist watch
    Patent number: D383402
    Type: Grant
    Filed: June 24, 1996
    Date of Patent: September 9, 1997
    Assignee: Casio Computer Co., Ltd.
    Inventor: Takashi Takeichi