Patents by Inventor Osamu Hatase

Osamu Hatase 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).

  • Patent number: 5916918
    Abstract: A drug for the treatment of skin injuries, particularly hardly curable diseases such as bedsore, which comprises as an active ingredient acetylsalicylic acid. The drug is used in the form of a topical preparation for external application or is administered orally to the patients.
    Type: Grant
    Filed: December 24, 1996
    Date of Patent: June 29, 1999
    Assignee: Teikoku Seiyaku Kabushiki Kaisha
    Inventors: Ryoji Konishi, Mitsuhiro Kawada, Noriko Mizobuchi, Sayuri Seto, Osamu Hatase, Masaaki Tokuda