Patents by Inventor Ryuichi Mizukawa

Ryuichi Mizukawa 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).

  • Wind control apparatus for air conditioner
    Patent number: 4339991
    Abstract: A wind control apparatus for an air conditioner comprises a pair of first wind-deflection plates for changing the direction of wind in a first axial direction by manual operation independent each other; a pair of second wind-deflection plates for changing the direction of wind periodically in a second axial direction with a driving means; and a phase adjusting means placed between the second wind-deflection plates and the driving means so as to change the phase of wind direction by manual operation.
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: July 20, 1982
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Tetsumasa Asano, Mitsuhiro Fujimoto, Ryuichi Mizukawa