Patents by Inventor Ken-ichiro Kotake

Ken-ichiro Kotake 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).

  • Phenethylamine derivatives
    Patent number: 6255285
    Abstract: The present invention has as its object providing phenethylamine derivatives that typically function as a motilin receptor antagonist and which are useful as medicines. The invention provides compounds represented by the general formula (1): (wherein A is typically an amino acid residue, R1 is typically R6—CO—, R2 is typically a hydrogen atom, R3 is typically —CO—R7, R4 is typically an alkyl group, R5 is typically a hydroxyl group, R6 is typically an alkyl group, and R7 is typically an amino group).
    Type: Grant
    Filed: February 15, 2000
    Date of Patent: July 3, 2001
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Ken-ichiro Kotake, Toshiro Kozono, Tsutomu Sato, Hisanori Takanashi