Patents by Inventor Tsuneaki Tajima

Tsuneaki Tajima 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).

  • Air cooling equipment for electronic systems
    Patent number: 4158875
    Abstract: An air cooling equipment for use in electronic systems of the type having a plurality of printed circuit wiring boards with a plurality of heat-generating electronic components mounted thereon is disclosed. The air cooling equipment uses a double-walled duct construction whereby air as a coolant is introduced in a direction at high angles to the length of the heat-generating electronic package.
    Type: Grant
    Filed: May 23, 1978
    Date of Patent: June 19, 1979
    Assignee: Nippon Electric Co., Ltd.
    Inventors: Tsuneaki Tajima, Yohichi Matsuo