Patents by Inventor Kakegawa Hisao

Kakegawa Hisao 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).

  • Useful substance-albumin complex
    Patent number: 5053490
    Abstract: A powdery complex is obtained by combining a useful substance such as vitamin E and liquid fatty oil with albumin. This powdery complex has excellent storage stability and can keep the useful substance contained therein stably for a long time.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: October 1, 1991
    Assignees: Nippon Hypox Laboratories Incorporated, Toshio Satoh
    Inventors: Toshio Satoh, Hitoshi Matsumoto, Kakegawa Hisao