Patents by Inventor Shigeyuki Kemma

Shigeyuki Kemma 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).

  • Magnesium alloy
    Publication number: 20050129564
    Abstract: A magnesium alloy consisting essentially of 10 to 15% by weight of Al, 0.5 to 10% by weight of Sn, 0.1 to 3% by weight of Y, and 0.1 to 1% by weight of Mn, the balance being Mg and inevitable impurities.
    Type: Application
    Filed: November 24, 2004
    Publication date: June 16, 2005
    Inventors: Kiyomi Nakamura, Mitsuo Hayashibara, Masahisa Inagaki, Yasuhisa Aono, Shigeyuki Kemma
  • Air intake arrangement for internal combustion engine
    Patent number: 5325828
    Abstract: An air intake arrangement for an internal combustion engine comprising: a main air intake conduit leading to a gas intake valve (241 ) for respective engine cylinders (206 ) and including a main air intake passage (202 ), a main collector chamber (204 ) and independent branching air intake passages (205) for the respective engine cylinders (206) connected in series; a throttle valve (203 ) disposed in the main intake air passage (202 ) for controlling the flow rate of air passing therethrough; an auxiliary air intake passage (210 ) bypassing the main air intake conduit, an inlet port of the auxiliary air intake passage (210 ) opens into the main air intake passage (202) at the upstream of the throttle valve (203 ), an outlet port (213 ) of the auxiliary air intake passage (210 ) opens into the respective independent branching air intake passages (205) near the gas intake valve (241) for the respective engine cylinders (206 ) in such a manner that gas blown-out from the auxiliary air intake passage (210 ) indu
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: July 5, 1994
    Assignee: Hitachi, Ltd.
    Inventors: Jun'ichi Yamaguchi, Minoru Ohsuga, Toshiharu Nogi, Mamoru Fujieda, Nobuo Kurihara, Yoshishige Ohyama, Hiroyuki Yamada, Shigeyuki Kemma
  • Air intake arrangement for internal combustion engine
    Patent number: RE37269
    Abstract: An air intake arrangement for an internal combustion engine comprising: a main air intake conduit leading to a gas intake valve (241) for respective engine cylinders (206) and including a main air intake passage (202), a main collector chamber (204) and independent branching air intake passages (205) for the respective engine cylinders (206) connected in series; a throttle valve (203) disposed in the main intake air passage (202) for controlling the flow rate of air passing therethrough; an auxiliary air intake passage (210) bypassing the main air intake conduit, wherein an inlet port of the auxiliary air intake passage (210) opens into the main air intake passage (202) at the upstream of the throttle valve (203), and an outlet port (213) of the auxiliary air intake passage (210) opens into the respective independent branching air intake passage (205) near the gas intake valve (241) for the respective engine cylinders (206) in such a manner that gas blown-out from the auxiliary air intake passage (210) induc
    Type: Grant
    Filed: July 5, 1996
    Date of Patent: July 10, 2001
    Assignee: Hitachi, Ltd.
    Inventors: Jun'ichi Yamaguchi, Minoru Ohsuga, Toshiharu Nogi, Mamoru Fujieda, Nobuo Kurihara, Yoshishige Ohyama, Hiroyuki Yamada, Shigeyuki Kemma