Patents by Inventor Mitsuo Mizumura

Mitsuo Mizumura 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).

  • Anti-inflammatory analgesic patch
    Patent number: 5116621
    Abstract: An anti-inflammatory analgesic patch having a drug reservoir layer comprising 4-biphenylylacetic acid as the effective ingredient, a homo- and/or co-polymer of acrylic acid and ordinary adjuvants such as a shape-retaining agent, humectant, thickener, etc., which is characterized in that said drug reservoir further contains crotamiton and pH of the drug reservoir is adjusted within a range of 6 to 8 with a water-soluble organic amine and an organic acid.
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: May 26, 1992
    Assignees: Lederle (Japan), Ltd., Teikoku Seiyaku Co., Ltd.
    Inventors: Akihito Oji, Yukihiro Tada, Noriyuki Sasaki, Mitsuo Mizumura