Patents by Inventor Hisao Kawato

Hisao Kawato 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).

  • Circuit breaker
    Patent number: 6838960
    Abstract: A circuit breaker includes a molded case comprised of a case and a cover. Terminal parts to be connected to a power supply and a load are provided respectively at front and rear ends of the molded case. A control mechanism for switching a movable contact is disposed between the front and rear terminal parts. The cover is divided into three parts for covering the control mechanism and the terminal parts disposed at front and rear of the control mechanism, respectively. The front and rear parts of the cover covering the terminal parts are detachably mounted on the molded case as terminal covers.
    Type: Grant
    Filed: February 10, 2003
    Date of Patent: January 4, 2005
    Assignee: Fuji Electric Co., Ltd.
    Inventors: Koji Asakawa, Hisao Kawato, Yasutoshi Ide, Hideto Yamagata, Akihiko Kohanawa