Patents by Inventor Takashi Santo

Takashi Santo 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).

  • Biphenyl compound
    Patent number: 7091247
    Abstract: A novel biphenyl compound having GPR 14 antagonistic activity. It is a compound represented by the formula (I): wherein R1 represents hydrogen, etc.; X represents 1 to 12 spacers; A represents amino, etc., R2 and R3 each represents a hydrocarbon group, etc.; and rings B and C each represents an optionally further substituted benzene ring, or a salt thereof.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: August 15, 2006
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Naoki Tarui, Takashi Santo, Hiroyuki Watanabe, Kazuyoshi Aso, Tetsuo Miwa, Shiro Takekawa
  • Biphenyl compound
    Publication number: 20040106792
    Abstract: A novel biphenyl compound having GPR 14 antagonistic activity.
    Type: Application
    Filed: December 20, 2002
    Publication date: June 3, 2004
    Inventors: Naoki Tauri, Takashi Santo, Hiroyuki Watanabe, Kazuyoshi Aso, Tetsuo Miwa, Shiro Takekawa
  • Gpr14 antagonist
    Publication number: 20040063699
    Abstract: A novel GPR14 antagonist. The GPR14 antagonist comprises a compound represented by the formula (I) or a salt thereof wherein Ar represents optionally substituted aryl; X represents a spacer; n is an integer of 1 to 10; R represents an optionally substituted hydrocarbon group, etc., provided that R may be bonded to Ar, etc. to form a ring; and Y represents optionally substituted amino, etc.
    Type: Application
    Filed: January 2, 2003
    Publication date: April 1, 2004
    Inventors: Naoki Tarui, Takashi Santo, Hiroyuki Watanabe, Kazuyoshi Aso, Yuji Ishihara
  • Vasoactive agents
    Publication number: 20030139442
    Abstract: A vasoactive drug is provided which comprises a compound having GPR14-antagonizing activity or salts thereof.
    Type: Application
    Filed: September 4, 2002
    Publication date: July 24, 2003
    Inventors: Naoki Tarui, Takashi Santo, Masaaki Mori, Hiroyuki Watanabe