Patents by Inventor Toshiyuki Aizawa

Toshiyuki Aizawa 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 application base or auxiliary agent and external application composition for human being or animal containing the same
    Patent number: 5254338
    Abstract: A (co)polymer suitable for bases or auxiliary agents for external application (for example, hydrophilic gels, adhesives, thickeners or excipients) to be coated or plastered onto the skin or mucosa of a human being or animal, such as ointment agents (ointment, hydrogel, jelly or cream), plastering agents (molded poultice, tape agent or plaster agent), sticky bandages (sticky bandage, strap, wound strap, surgical tape, taping material, supporter), and to preparations for external application containing same.
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: October 19, 1993
    Assignee: Showa Denko K.K.
    Inventors: Yasuyuki Sakai, Noriyuki Suzuki, Tetsuo Kudo, Kuniomi Marumo, Toshiyuki Aizawa, Kunio Imamura, Shuichi Sugita, Kazuo Kanbayashi