Patents by Inventor Sakamoto Okihiko

Sakamoto Okihiko 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).

  • External skin treatment composition
    Patent number: 5962000
    Abstract: An external skin treatment composition comprising (i) vitamin A and (ii) at least one skin roughening improvement aid selected from the group consisting of (a) polyoxyalkylene modified organopolysiloxanes, (b) sugars, and (c) anti-inflammatory agents.
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: October 5, 1999
    Assignee: Shiseido Company, Ltd.
    Inventors: Takeshi Yanagida, Sakamoto Okihiko
  • External skin treatment composition
    Patent number: 5686086
    Abstract: An external skin treatment composition comprising (i) vitamin A and (ii) at least one skin roughening improvement aid selected from the group consisting of (a) polyoxyalkylene modified organopolysiloxanes, (b) sugars, and (c) anti-inflammatory agents.
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: November 11, 1997
    Assignee: Shiseido Co., Ltd.
    Inventors: Takeshi Yanagida, Sakamoto Okihiko