Patents by Inventor Katsumi Tomoda

Katsumi Tomoda 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 preparation
    Patent number: 5169630
    Abstract: A manganese-containing superoxide dismutase activity of an aqueous external skin preparation which contains (a) manganese-containing superoxide dismutase and/or a modification of manganese-containing superoxide dismutase and (b) a physiologically acceptable water-soluble manganese salt is effective maintained and the aqueous external skin preparation is used for combatting skin-roughening.
    Type: Grant
    Filed: October 18, 1990
    Date of Patent: December 8, 1992
    Assignees: Pola Chemical Industries, Ltd., Takeda Chemical Industries, Ltd.
    Inventors: Yoshio Okaya, Katsumi Tomoda, Taihei Hamazaki
  • Superoxide dismutase, its immobilized form, and their production and use
    Patent number: 4563349
    Abstract: A novel superoxide dismutase is produced by cultivating a microorganism belonging to the genus Serratia. The superoxide dismutase is useful as an antiinflammatory agent.An immobilized superoxide dismutase has properties of decreased antigenicity and increased antiinflammatory activity.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: January 7, 1986
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Kouichi Miyata, Kazutaka Maejima, Katsumi Tomoda