Patents by Inventor Yasuko Yoshizawa

Yasuko Yoshizawa 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: 6479054
    Abstract: A process for simply and efficiently obtaining an isoflavone composition having a high ratio of genistin, which useful as a food material and the like, wherein in the process for obtaining genistin from a isoflavone inclusion, genistin is selectively precipitated by applying pH adjustment to isoflavone containing liquid.
    Type: Grant
    Filed: June 18, 2001
    Date of Patent: November 12, 2002
    Assignee: Showa Sangyo Co., Ltd.
    Inventors: Yoko Fujikawa, Tetsuji Tomita, Yasuko Yoshizawa, Tsuneya Yatake