Patents by Inventor Akira Kawamata

Akira Kawamata 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).

  • External skin care preparation
    Patent number: 5028416
    Abstract: An external skin care preparation comprising a compound represented by the following general formula (I) or (II), or a salt thereof: ##STR1## wherein R.sup.1 means an aliphatic hydrocarbon group having 9-25 carbon atoms, A and B denote specific groups respectively, R.sup.6 and R.sup.7 are individually an aliphatic hydrocarbon group having 10-26 carbon atoms, and R.sup.8 denotes a group --CH.sub.2 CH.sub.2 OH, --CH.sub.2 COOH or --COCH.sub.3.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: July 2, 1991
    Assignee: Kao Corporation
    Inventors: Shinji Yano, Akira Kawamata, Yoshihiro Minematsu, Shuichi Akazaki, Mitsuko Zama, Genji Imokawa, Naotake Takaishi, Tsuyoshi Ohtomo, Takashi Komori
  • External skin care preparation
    Patent number: 4985547
    Abstract: An external skin care preparation comprising a compound represented by the following general formula (I) or (II), or a salt thereof: ##STR1## wherein R.sup.1 means an aliphatic hydrocarbon group having 9-25 carbon atoms, A and B denote specific groups respectively, R.sup.6 and R.sup.7 are individually an aliphatic hydrocarbon group having 10-26 carbon atoms, and R.sup.8 denotes a group --CH.sub.2 CH.sub.2 OH, --CH.sub.2 COOH or --COCH.sub.3.
    Type: Grant
    Filed: March 3, 1988
    Date of Patent: January 15, 1991
    Assignee: Kao Corporation
    Inventors: Shinji Yano, Akira Kawamata, Yoshihiro Minematsu, Shuichi Akazaki, Mitsuko Zama, Genji Imokawa, Naotake Takaishi, Tsuyoshi Ohtomo, Takashi Komori
  • Amide derivative and external medicament comprising same
    Patent number: 4778823
    Abstract: An external medicament comprises a novel amide derivative represented by the following formula (I). ##STR1## The external medicament is applicable to both a pharmaceutical external medicament and a cosmetic composition, and it provides excellent improving and preventing effects for chapping of the skin.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: October 18, 1988
    Assignee: Kao Corporation
    Inventors: Akira Kawamata, Shinji Yano, Michihiro Hattori, Shuichi Akazaki, Genji Imokawa, Naotake Takaishi