Patents by Inventor Kaisaku Fujiwara

Kaisaku Fujiwara 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).

  • Electronic parts-mounting device with easy assembly and maintenance
    Patent number: 4502047
    Abstract: Two substrates respectively mounting electric parts are disposed so that parts-mounting faces of the two substrates oppose each other. The opposed substrates are connected at the respective opposing side edges thereof to each other by means of respective cover plates. High voltage electric parts are mounted on one of the substrates, while heat/electromagnetic wave generating electric parts are mounted on the other of the substrates to obtain heat radiation and electromagnetic wave shielding.
    Type: Grant
    Filed: November 18, 1981
    Date of Patent: February 26, 1985
    Assignee: Hitachi, Ltd.
    Inventors: Kaisaku Fujiwara, Shigenori Yokooji, Yasuji Morishita