Patents by Inventor Zensuke Ota

Zensuke Ota 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: 5981509
    Abstract: The specification relates to a preparation for the prophylaxis or treatment of renal diseases, and a method for the prophylaxis or treatment of renal diseases, and specifically, it relates to the above preparation and method using a sulfated polysaccharide as an active ingredient.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: November 9, 1999
    Assignee: Shiseido Company, Ltd.
    Inventors: Kazuo Akima, Kenichi Shikata, Hirofumi Makino, Zensuke Ota, Kyoji Hirata, Masayuki Miyasaka, Yasuo Suzuki