Patents by Inventor Akira Sageshima

Akira Sageshima 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).

  • Patent number: 5206467
    Abstract: A muffler with a catalyst A muffler closure is detachably attached to the muffler body of the muffler. A thermal insulation acoustic material layer and a catalyst layer are mounted to an inner surface of muffler closure through a porous holding plate along exhaust gas passage.
    Type: Grant
    Filed: February 26, 1992
    Date of Patent: April 27, 1993
    Assignee: Kioritz Corporation
    Inventors: Noboru Nagai, Akira Sageshima, Tadashi Ozaki, Isao Masuda
  • Patent number: 4970769
    Abstract: A method for manufacturing a cylinder having scavenging passages for a two-cycle internal combustion engine is disclosed which comprises the steps of forming bulged portions protruded radially outwardly in a portion of a cylindrical liner, and surrounding the liner by casting through a high pressure diecast method, thereby form a main part of the cylinder.
    Type: Grant
    Filed: April 18, 1989
    Date of Patent: November 20, 1990
    Assignee: Kioritz Corporation
    Inventors: Hiroshi Iesato, Kazuyuki Nishiwaki, Kazumasa Okano, Isao Masuda, Akira Sageshima, Minoru Yonekawa
  • Patent number: 4960194
    Abstract: Disclosed is a centrifugal clutch of the type that includes a driving side member, a driven side member and a plurality of clutch shoes each having one end connected to the driving side member, the other end being capable of being friction-engaged with the driven side member, the driving side member and the clutch shoes being integrally formed using a high specific gravity resin type composite material.
    Type: Grant
    Filed: February 8, 1989
    Date of Patent: October 2, 1990
    Assignee: Kioritz Corporation
    Inventors: Akira Sageshima, Tadashi Ozaki, Hirozi Kawasaki, Isao Masuda