Patents by Inventor Tomohito Ikegami

Tomohito Ikegami 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).

  • Solid-state high power amplifier arrangement
    Patent number: 4901029
    Abstract: A power amplifier arrangement incorporating a plurality of amplifier units and a power supply unit includes a cooling arrangement that is efficient and results in compactness of the overall power amplifier arrangement. The amplifier units and power supply unit are slideable on a shelf through the use of guiderails. Connecting means of the plug-socket type are utilized for connecting the amplifier units with the power supply unit. Cooling air chambers are disposed adjacent to the amplifier units and include nozzles directed onto a radiation plate on which heat-producing amplifier devices are mounted.
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: February 13, 1990
    Assignee: NEC Corporation
    Inventors: Kazuo Fujino, Tetsumichi Yamamoto, Tomohito Ikegami, Takeshi Yanagibayashi