Patents by Inventor Katuhiro Wakahara

Katuhiro Wakahara 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).

  • Combination of air conditioner and ventilating unit provided with total heat exchanger assembly
    Patent number: 4048811
    Abstract: An air ventilating unit provided with a rotary heat exchanger assembly communicating between an incoming air passage and an outgoing air passage for heat recovery in air conditioning. The ventilating unit is adopted to enable direct deposition on the upper wall of an air conditioner. When the ventilating unit is mounted on the air conditioning unit, the outside air (fresh air) outlet formed in the front wall of the ventilating unit is positioned closely adjacent to the air outlet of the air conditioning unit. Room air inlets are formed on both side walls of the ventilating unit.
    Type: Grant
    Filed: March 25, 1976
    Date of Patent: September 20, 1977
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tadashi Ito, Katuhiro Wakahara, Masao Tatsuoka