Patents by Inventor Akihito Shimoi

Akihito Shimoi 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).

  • 4-hydroxypiperidine derivatives having analgesic activity
    Patent number: 6956046
    Abstract: A compound represented by the following Formula (I): (wherein A represents oxygen atom or —NR3— (R3 represents hydrogen atom or lower alkyl group); R1 represents nitro group, lower alkoxycarbonyl group, carbamoyl group unsubstituted or mono- or di-substituted by lower alkyl group, unprotected or protected hydroxyl group, unprotected or protected carboxyl group, lower alkyl group substituted by unprotected or protected hydroxyl group, or tetrazolyl group; and R2 represents hydrogen atom, cyano group or lower alkylsulfonyl group, provided that when A is —NR3—, it is excluded that R1 represents unprotected or protected hydroxyl group or lower alkyl group substituted by unprotected or protected hydroxyl group) or its salt, and method for producing the compound, and a pharmaceutical composition containing the compound as active ingredient.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: October 18, 2005
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Ichiro Yamamoto, Kazuyuki Matsuura, Kazuhiro Suzuki, Kazuo Kato, Yasushige Akada, Hidenori Mochizuki, Akihito Shimoi
  • 4-hydroxpiperdine derivative with analgetic activity
    Publication number: 20040176410
    Abstract: A compound represented by the following Formula (I): 1
    Type: Application
    Filed: November 25, 2003
    Publication date: September 9, 2004
    Inventors: Ichiro Yamamoto, Kazuyuki Matsuura, Kazuhiro Suzuki, Kazuo Kato, Yasushige Akada, Hidenori Mochizuki, Akihito Shimoi