Patents by Inventor Koichi Kabai

Koichi Kabai 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).

  • Three-way electromagnetic valve
    Patent number: 5038826
    Abstract: A three-way electromagnetic valve provided with a valve body, a movable member slidably disposed in the valve body, an actuator for driving the movable member, an opening-closing mechanism provided in an internal passage formed in the movable member. A clearance reducing portion is formed to reduce a gap created by a pressurized fluid entering the slide section or by the force of fastening and fixing the valve body, thereby limiting the leakage of the pressurized fluid.
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: August 13, 1991
    Assignee: Nippondenso Co., Ltd.
    Inventors: Koichi Kabai, Katsuyuki Tamai