Patents by Inventor Wataru Tokue

Wataru Tokue 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).

  • Solubilized cosmetic composition with a pharmaceutical or cosmetic agent, a methacrylate copolymer and a cyclodextrin
    Patent number: 6350459
    Abstract: A solubilized cosmetic composition containing an ingredient which is difficult to be dissolved in water, an alkyl-modified carboxyvinyl polymer and a hydroxyalkylated cyclodextrin so as to solubilize the ingredient difficult to be dissolved in water and in particular substantially not containing a surfactant.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: February 26, 2002
    Assignee: Shiseido Company, Ltd.
    Inventors: Kazuaki Suzuki, Wataru Tokue, Kenzo Ito, Shoji Nishiyama
  • External preparation
    Patent number: 5776438
    Abstract: An external preparation containing DL-.alpha.-tocopherol 2- L-ascorbic phosphoric diester and/or a salt thereof, and at least one ultraviolet absorbing agent. The cross-linking of collagen is suppressed and an excellent cutaneous aging resisting effect is obtained.
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: July 7, 1998
    Assignee: Shiseido Co., Ltd.
    Inventors: Wataru Tokue, Kenzo Ito, Naoki Tominaga
  • Cosmetic composition
    Patent number: 5683704
    Abstract: This invention is to provide a cosmetic composition which comprises dl-.alpha.-tocopheryl 2-L-ascorbyl phosphate phosphate and/or a salt thereof in stabilized condition. The cosmetic composition comprises one or more members of the group consisting of a polyhydric alcohol derivative, urea, and a sub-critical micelle concentration of a nonionic surfactant as formulated with said dl-.alpha.-tocopheryl 2-L-ascorbyl phosphate or salt thereof.
    Type: Grant
    Filed: June 28, 1995
    Date of Patent: November 4, 1997
    Assignee: Senju Pharmaceutical Co., Ltd.
    Inventors: Mihoko Ohba, Haruo Ogawa, Wataru Tokue, Masahiro Matsuoka