Patents by Inventor Yuzuru Matauda

Yuzuru Matauda 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).

  • Novel substance KS-619-1, preparation process and pharmaceutical composition
    Patent number: 4962125
    Abstract: A novel physiologically active substance KS-619-1 having a vasodilative activity is produced by culturing Streptomyces californicus ATCC 3312.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: October 9, 1990
    Assignee: Kyowa Hakko Kogyo, Co., Ltd.
    Inventors: Hiroshi Kase, Yuzuru Matauda, Kunikatsu Shirahata, Toru Yasuzawa, Koji Yamada