Patents by Inventor Kazutoyo Watanable

Kazutoyo Watanable 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).

  • Ceramic honeycomb filter and method of manufacturing the same
    Publication number: 20060168927
    Abstract: A ceramic honeycomb filter comprising pluralities of ceramic honeycomb structures each having large numbers of flow paths partitioned by cell walls, which are bonded in the direction of the flow paths, predetermined flow paths being sealed by plugs, plugs formed at one end of at least one honeycomb structure being bonded to at least part of plugs formed at one end of a honeycomb structure adjacent to the end of this honeycomb structure.
    Type: Application
    Filed: July 14, 2004
    Publication date: August 3, 2006
    Inventors: Kazutoyo Watanable, Hirohisa Suwabe