Patents by Inventor Tadahiro Shimada

Tadahiro Shimada 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).

  • Publication number: 20160067155
    Abstract: Provided is a cosmetic product which can generate a carbon dioxide gas to cause foaming by a simple method and having excellent usability. Provided is a cosmetic product comprising a first composition and a second composition different from the first composition as constituent elements of the cosmetic product and which foams by mixing the first composition and the second composition, wherein the first composition is a liquid or creamy composition containing a bicarbonate and/or a carbonate, and the second composition is a liquid or creamy composition containing an ?-hydroxy acid and/or a saturated dibasic acid in which the content of water is 1.0-fold or less in terms of weight ratio with respect to the ?-hydroxy acid and/or the saturated dibasic acid.
    Type: Application
    Filed: September 10, 2015
    Publication date: March 10, 2016
    Inventors: Tadahiro Shimada, Hiroko Shimada, Hanae Shimada, Yo Nakajima
  • 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
  • Patent number: 5462691
    Abstract: The present invention provides a skin cleansing agent which is capable of performing, in a one-stage process, both make-up removal and bare skin cleansing to clear off dirt and sebum on the skin. In particular, a non-oil skin cleansing agent is provided that is characterized by containing 1.0-80 wt % of polyethylene glycol diisostearate and/or polyethylene glycol dioleate with an added mole number of ethylene oxide of 10-18.
    Type: Grant
    Filed: September 29, 1993
    Date of Patent: October 31, 1995
    Assignee: Shiseido Co., Ltd.
    Inventors: Tadahiro Shimada, Sachiko Yuki, Tomoko Iizuka