Patents by Inventor Tatsuro Shinomiya

Tatsuro Shinomiya 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).

  • Hydrochalcone derivatives, cosmetic compositions containing said derivatives and methods of producing the same
    Patent number: 5880314
    Abstract: The present invention can provide cosmetic formulations comprising hydrochalcone compounds of the general formula (I): ##STR1## in which R.sup.1 to R.sup.4 are each independently H or --COR, and R is an alkyl group having 1-20 carbon atoms as effective components, which are highly effective in suppressing pigment deposition and depigmenting the skin and which are very safe to the skin and highly stable during storage.
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: March 9, 1999
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tatsuro Shinomiya, Hiroko Kaminaga, Shohei Nozaki, Masahiro Sakamoto, Shigeharu Morimoto