Patents by Inventor Minehiro Okuda

Minehiro Okuda 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).

  • Amide derivatives and dermatologic preparations containing the same
    Patent number: 5221757
    Abstract: An amide derivative represented by the following general formula (II): ##STR1## (wherein R.sup.3 represents a straight-chain or branched, saturated or unsaturated hydrocarbon group carrying 10 to 40 carbon atoms; R.sup.4 represents a straight-chain or branched hydrocarbon group carrying 3 to 39 carbon atoms; and R.sup.5 represents a hydrogen atom, a straight-chain or branched, saturated or unsaturated hydrocarbon group carrying 10 to 40 carbon atoms or an acyl group); and a dermatologic preparation containing the same.
    Type: Grant
    Filed: November 20, 1991
    Date of Patent: June 22, 1993
    Assignee: Kao Corporation
    Inventors: Yukihiro Ohashi, Mituo Suda, Shinji Yano, Akira Kawamata, Minehiro Okuda, Genji Imokawa
  • Amide derivatives and dermatologic preparations containing the same
    Patent number: 5175321
    Abstract: An amide derivative represented by the following general formula (I) or (II): ##STR1## (wherein R.sup.1 and R.sup.2 represent each a straight-chain or branched, saturated or unsaturated hydrocarbon group provided that one of them carries 26 to 39 carbon atoms while the other carries 9 to 39 carbon atoms); or ##STR2## (wherein R.sup.3 represents a straight-chain or branched, saturated or unsaturated hydrocarbon group carrying 10 to 40 carbon atoms; R.sup.4 represents a straight-chain or branched hydrocarbon group carrying 3 to 39 carbon atoms; and R.sup.5 represents a dydrogen atom, a straight-chain or branched, saturated or unsaturated hydrocarbon group carrying 10 to 40 carbon atoms or an acyl group);and a dermatologic preparation containing the same.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: December 29, 1992
    Assignee: KAO Corporation
    Inventors: Yukihiro Ohashi, Mituo Suda, Shinji Yano, Akira Kawamata, Minehiro Okuda, Genji Imokawa