Patents by Inventor Yasuo Kawaguchi

Yasuo Kawaguchi 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).

  • Heat exchanger using drag reducing fluid
    Patent number: 6112806
    Abstract: A heat exchanger which uses a drag reduction fluid as one of its two heat transfer media has a heat transfer plate formed with irregularities.
    Type: Grant
    Filed: October 17, 1995
    Date of Patent: September 5, 2000
    Assignee: Agency of Industrial Scienceand Technology Ministry of International Trade & Industry
    Inventors: Yasuo Kawaguchi, Akira Yabe