Patents by Inventor Masahara Asano

Masahara Asano 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).

  • Method of and system for detecting misfire in internal combustion engine
    Patent number: 4083234
    Abstract: A method of and a system for detecting a misfire caused in a spark-ignition internal combustion engine, characterized by producing a signal wave having a frequency variable with the frequency of exhaust noises of the engine and a signal variable with the output speed of the engine and analyzing the frequency characteristics of the signal wave on the basis of the signal representative of the engine output speed.
    Type: Grant
    Filed: December 21, 1976
    Date of Patent: April 11, 1978
    Assignee: Nissan Motor Company, Limited
    Inventors: Shigeo Aono, Masahara Asano