Patents by Inventor Syunji Kajikawa

Syunji Kajikawa 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
    Patent number: 5676203
    Abstract: A water-cooled oil cooler includes a laminated body formed by alternately piling up formed plates having cooling water passage openings and oil passage openings in the direction of plate thickness, and fin plates having cooling water passage openings and oil passage openings in the direction of plate thickness. A protrusion is projected from a passage wall of the cooling water passage opening of the fin plate into a cooling water passage. By setting the protrusion baser than the other part of the fin plate, the protrusion is made to serve as a sacrificial corrosion section to prevent the contact section from being precedently corroded.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: October 14, 1997
    Assignee: Nippondenso Co., Ltd.
    Inventors: Syunji Kajikawa, Munenori Yuasa, Yasuaki Isobe, Hiroshi Ikeda, Yuji Suzuki