Patents by Inventor Shomatsu Roppongi

Shomatsu Roppongi 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).

  • Particle removing system for an internal combustion engine
    Patent number: 4538413
    Abstract: An exhaust passage extends from an internal combustion engine to conduct exhaust from the engine. A filter is disposed in the exhaust passage to catch particles in the exhaust. A burner is disposed in the exhaust passage at a position upstream of the filter. The burner receives a mixture of air and fuel and burns the mixture to burn off the particles deposited on the filter. The burner includes a vaporizing member and a guide member.
    Type: Grant
    Filed: November 15, 1983
    Date of Patent: September 3, 1985
    Assignee: Nissan Motor Company, Limited
    Inventors: Motohiro Shinzawa, Motomi Arai, Shomatsu Roppongi, Kichihiko Dozono, Yoji Hasegawa