Patents by Inventor Masahiko Enjoji

Masahiko Enjoji 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).

  • Air cleaner including noise-limiting cool air intake nose
    Patent number: 4192660
    Abstract: A device which eliminates an intake sound from an air cleaner nose from being confined in the cabin of a car and more specifically pertains to a noise-limiting device which converts the intake sound into such a sound that is not amplified to the interior of a car, comprises a tuning hole at the tip of a cool air intake nose extending from the air cleaner nose.
    Type: Grant
    Filed: April 19, 1978
    Date of Patent: March 11, 1980
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Takashi Ishidera, Masahiko Enjoji