Patents by Inventor Hisaya Nabeshima

Hisaya Nabeshima 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).

  • Patent number: 6210690
    Abstract: A water-in-oil type emulsified composition containing one or more types chosen from among a group consisting of one or more types of a specific polyether modified silicone, oil, water or water and ethyl alcohol as well as a water soluble polymer with a molecular weight of 2,000-300,000 whose content is 0.1-20 wt % of the total emulsified composition, an inorganic salt or amino acid salt whose content is 0.1-08 wt % of the total emulsified composition. It is possible to provide an emulsified composition which gives gloss to the hair or skin, is moist but not sticky and exhibits excellent stability by using, as the emulsifier, polyether modified silicone rather than a surfactant or an organic modified clay mineral.
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: April 3, 2001
    Assignee: Shiseido Company, Ltd.
    Inventors: Hisaya Nabeshima, Yasunari Nakama, Takayuki Omura
  • Patent number: 6008246
    Abstract: The purpose of the present invention is to provide the external preparation for skin sufficiently exhibits a moisturizing function and skin improvement function of a specific quaternary ammonium salt.Therefore, the external preparation for skin in accordance with the present invention comprising a quaternary ammonium salt which is shown in following constitutional formula (I), has an enhancer of moisturizing effect and skin roughness improvement effect of a quaternary ammonium salt selected from the group of vitamin E types, vitamin A derivatives, and alkyl denatured carboxyvinyl polymer. ##STR1## (wherein R.sup.1, R.sup.2, and R.sup.3 show alkyl groups having a carbon number from 1 to 6. A sum total of the carbon number of R.sup.1, R.sup.2, R.sup.3, and n is 8 or less. Each carbon number of R.sup.1, R.sup.2, and R.sup.3 can be same or different).
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: December 28, 1999
    Assignee: Shiseido Co., Ltd.
    Inventors: Kenzo Ito, Haruhiko Inoue, Tadahiro Shimada, Hisaya Nabeshima, Hiroyoshi Sato, Keiichi Uchikawa