Patents by Inventor Yoshiji Maruya

Yoshiji Maruya 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).

  • Cosmetic
    Patent number: 4781915
    Abstract: A cosmetic comprising pantetheine-S-sulfonic acid and/or its salt. A pantetheine-S-sulfonate can prevent pigmentation on the skin. The present invention provides a cosmetic having an extremely high beautifying effect.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: November 1, 1988
    Assignee: Sogo Pharmaceutical Company Limited
    Inventors: Yoshiji Maruya, Toshio Taki
  • Method of treating skin pigmentation abnormalities with pantetheine-S-sulfonic acid
    Patent number: 4749719
    Abstract: Pantetheine-S-sulfonic acid and/or its salt(s) have(has) an effect of curing and preventing pigmentation in the skin, an effect of improving rough skin and a curative effect to wounds, burns and the like, therefore being used for agents for epidermis.
    Type: Grant
    Filed: February 13, 1986
    Date of Patent: June 7, 1988
    Assignee: Sogo Pharmaceutical Company Limited
    Inventors: Yoshiji Maruya, Toshio Taki