Patents by Inventor Masatoshi Asakawa

Masatoshi Asakawa 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).

  • Absorption type refrigerator
    Patent number: 5832742
    Abstract: In a compact absorption type refrigerator which eliminates an ill effect caused by the local overheating of a heating chamber in a high-temperature regenerator with a liquid pipe boiler, a high-temperature regenerator 5 heats a heating chamber 63 in which vertical liquid pipes 51 for circulating a diluted absorption solution 2a are arranged in a matrix form with the combustion surface 60D2 of a plane flame type burner 60X to evaporate refrigerant vapor 7a from the diluted solution 2a.
    Type: Grant
    Filed: April 28, 1997
    Date of Patent: November 10, 1998
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Yasumichi Kouri, Tomohiro Morita, Masatoshi Asakawa, Hidetoshi Arima, Norikazu Kubota