Patents by Inventor Mutuo Sekiya

Mutuo Sekiya 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).

  • Secondary air supplying apparatus for internal combustion engine and air heating apparatus thereof
    Patent number: 5666804
    Abstract: A secondary air supplying apparatus for an internal combustion engine and a gas heating apparatus are provided to enable high-performance exhaust gas purification in a catalytic apparatus of the internal combustion engine, in particular, even at a low-temperature starting time. A secondary air supplying apparatus supplies secondary air to the catalytic apparatus through a secondary air introducing path for communicating the intake side of the internal combustion engine with an exhaust manifold. In the apparatus, a gas heating apparatus having an exothermic body is provided for the secondary air introducing path.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: September 16, 1997
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mutuo Sekiya, Satoshi Asada, Takakazu Tochimoto, Hidetoshi Okada
  • Muffler for internal combustion engine
    Patent number: 4444288
    Abstract: A muffler for an internal combustion engine comprises an air inlet passage in a casing of said muffler in a hollow surrounded by an inner wall of said casing and an outer wall of a porous sound absorber which is held in said casing.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: April 24, 1984
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mutuo Sekiya, Hideharu Tanaka, Fusaoki Uchikawa, Yasufumi Ohata