Patents by Inventor Kazuaki Sawada

Kazuaki Sawada 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).

  • Apparatus for measuring physical and chemical phenomena
    Patent number: 6255678
    Abstract: Method and equipment easily visualize various physical phenomena or chemical phenomena by simultaneously taking in, accumulating, and transferring data at a plurality of points. Electric charge is injected in potential wells constructed to vary the depth in accord with the magnitude of the physical or chemical quantity, and the physical or chemical quantity is converted into electric charge according to the depth of the potential wells.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: July 3, 2001
    Assignee: Horiba, Ltd.
    Inventors: Kazuaki Sawada, Katsuhiko Tomita, Tsuyoshi Nakanishi, Hiroki Tanabe, Susumu Mimura