Patents by Inventor Yasushi Isogami

Yasushi Isogami 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).

  • Production method of 1-substituted-1,2,3-triazole derivatives
    Publication number: 20040106803
    Abstract: A method for producing a compound of the formula: 1
    Type: Application
    Filed: November 4, 2003
    Publication date: June 3, 2004
    Inventors: Tomomi Ikemoto, Tatsuya Ito, Kiminori Tomimatsu, Yasuhiro Sawai, Hirohiko Nishiyama, Yasushi Isogami
  • Method for producing 1-substituted-1,2,3-triazole derivative
    Patent number: 6743924
    Abstract: A method for producing a compound of the formula: (1) in a secondary or tertiary alcohol in the presence of a base, or (2) in the absence of a base is provided.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: June 1, 2004
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tomomi Ikemoto, Tatsuya Ito, Kiminori Tomimatsu, Yasuhiro Sawai, Hirohiko Nishiyama, Yasushi Isogami
  • Method for producing 1-substituted-1,2,3- triazole derivative
    Publication number: 20030069419
    Abstract: A method for producing a compound of the formula: 1
    Type: Application
    Filed: April 19, 2002
    Publication date: April 10, 2003
    Inventors: Tomomi Ikemoto, Tatsuya Ito, Kiminori Tomimatsu, Yasuhiro Sawai, Hirohiko Nishiyama, Yasushi Isogami