Patents by Inventor Ryuji Asaga

Ryuji Asaga 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).

  • Engine
    Patent number: 4779600
    Abstract: An engine used for automobiles, wherein the gases are discharged from the cylinder after purification, thereby reducing the air pollution problems, and the engine secures a strengthened engine brake by utilizing the pneumatic force as a restraint on the piston.
    Type: Grant
    Filed: December 30, 1986
    Date of Patent: October 25, 1988
    Inventors: Ryuji Asaga, Kouzo Asaga, Hidenori Yamamoto