Patents by Inventor Masumasa Uchikawa

Masumasa Uchikawa 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).

  • Analgesic anti-inflammatory adhesive plaster
    Patent number: 5776484
    Abstract: A non-steroidal analgesic anti-inflammatory adhesive preparation rendered by coating one surface of support with an adhesive containing S-(+)-2-(2-fluoro-4-biphenylyl)propionic acid and a styrene-isoprene-styrene block copolymer or S-(+)-2-(2-fluoro-4-biphenylyl)propionic acid and a modified copolymer in which methylmethacrylate is allowed to graft-polymerize on said copolymer, or with an adhesive containing S-(+)-2-(2-fluoro-4-biphenylyl) propionic acid, sodium carboxymethyl cellulose and sodium polyacrylate.
    Type: Grant
    Filed: October 24, 1995
    Date of Patent: July 7, 1998
    Assignee: Tokuhon Corporation
    Inventors: Yasuhiko Sasaki, Yukihiro Matsumura, Susumu Imai, Tetsuhiro Tooyama, Masamichi Orihara, Yoshio Sugimoto, Masaru Yamazaki, Mitsunari Hoshino, Masumasa Uchikawa, Hiroshi Arai