Patents by Inventor Shinsuke Honda

Shinsuke Honda 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).

  • Preparation for epidermis
    Patent number: 5750563
    Abstract: A preparation for epidermis containing kojic acid and/or its derivative, which has improved preparation stability, is provided. The preparation stability is imparted by adding to the preparation at least one member selected from the group consisting of alcohols and polyphenols.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: May 12, 1998
    Assignee: Sansho Seiyaku Co., Ltd.
    Inventor: Shinsuke Honda
  • Preparation for epidermis
    Patent number: 5637293
    Abstract: A preparation for epidermis containing kojic acid and/or its derivative and an ultraviolet light absorbent, which has improved preparation stability and which shows lasting effectiveness, is provided. The improved preparation stability is imparted by adding to the preparation at least one member selected from the group consisting of fatty acid esters and fatty acid glycerides.
    Type: Grant
    Filed: May 5, 1994
    Date of Patent: June 10, 1997
    Assignee: Sansho Seiyaku Co., Ltd.
    Inventor: Shinsuke Honda