Patents by Inventor Nobuhide Tsuji

Nobuhide Tsuji 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).

  • Oil-in-water cream base
    Patent number: 5607622
    Abstract: An oil-in-water type cream base containing a colloidal hydrous silicate and a polyethylene glycol having an average molecular weight of 1,000-10,000, and emulsified by means of a microfluidizer. Preferably, the cream base contains a crystalline cellulose. According to the present invention, the strong, safe and stable cream base having excellent sensuosity can be prepared without using a surface active agent which is not always safe for men.
    Type: Grant
    Filed: February 24, 1993
    Date of Patent: March 4, 1997
    Assignee: Mikimoto Pharmaceutical Co., Ltd.
    Inventors: Seishi Ueda, Kaoru Maeyama, Nobuhide Tsuji, Masahiro Tsujide, Kazuyuki Kitagawa