Patents by Inventor Fumihiko Wantanabe

Fumihiko Wantanabe 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).

  • Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
    Patent number: 6919375
    Abstract: Compounds having a metalloproteinase inhibitory activity, represented by the formula (I), its optically active isomers, their pharmaceutically acceptable salts, or hydrates thereof.
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: July 19, 2005
    Assignee: Shionogi & Co., Ltd.
    Inventors: Fumihiko Wantanabe, Hiroshige Tsuzuki, Mitsuaki Ohtani
  • Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
    Patent number: 6838483
    Abstract: Compounds having a metalloproteinase inhibitory activity, represented by the formula (I), its optically active isomers, their pharmaceutically acceptable salts, or hydrates thereof.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: January 4, 2005
    Assignee: Shionogi & Co., Ltd.
    Inventors: Fumihiko Wantanabe, Hiroshige Tsuzuki, Mitsuaki Ohtani
  • Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
    Patent number: 6441021
    Abstract: Compounds having a metalloproteinase inhibitory activity, represented by the formula (I), its optically active isomers, their pharmaceutically acceptable salts, or hydrates thereof
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: August 27, 2002
    Assignee: Shionogi & Co., Ltd.
    Inventors: Fumihiko Wantanabe, Hiroshige Tsuzuki, Mitsuaki Ohtani
  • Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
    Patent number: 6235768
    Abstract: Compounds having a metalloproteinase inhibitory activity, represented by the formula (I), its optically active isomers, their pharmaceutically acceptable salts, or hydrates thereof.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: May 22, 2001
    Assignee: Shionogi & Co., Ltd.
    Inventors: Fumihiko Wantanabe, Hiroshige Tsuzuki, Mitsuaki Ohtani
  • Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
    Patent number: 6207698
    Abstract: Compounds having a metalloproteinase inhibitory activity, represented by the formula (I), its optically active isomers, their pharmaceutically acceptable salts, or hydrates thereof.
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: March 27, 2001
    Assignee: Shionogi & Co., Ltd.
    Inventors: Fumihiko Wantanabe, Hiroshige Tsuzuki, Mitsuaki Ohtani