Patents by Inventor Nobuyoshi Karasawa

Nobuyoshi Karasawa 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: 4789479
    Abstract: A packing for chromatography, comprising a granular adsorbent and a fibrous material which are substantially homogeneously mixed with each other.
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: December 6, 1988
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Hatsuki Onitsuka, Nobuyoshi Karasawa