Patents by Inventor Mikiji Watanabe

Mikiji Watanabe 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: 6062189
    Abstract: In order to securely prevent knocks from occurring upon starting and the like, while enhancing the compression ratio in a spark ignition type in-cylinder injection internal combustion engine which includes a fuel injection valve for directly injecting fuel into a combustion chamber, fuel is injected during a compression stroke in a specific operation region under an intermediate to high load to perform stratified combustion. Further provided is a control unit for driving and controlling the fuel injection valve such that, in the stratified combustion, prior to the fuel injection during the compression stroke, fuel is injected from the fuel injection valve during an intake stroke by such an amount that fuel fails to self-ignite.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: May 16, 2000
    Assignee: Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    Inventors: Katsunori Kaneko, Hiromitsu Ando, Katsuhiko Miyamoto, Mikiji Watanabe, Hiroyuki Tanaka, Hideyuki Oda, Kenji Goto, Kazuchika Tashima, Hiroki Tamura, Hitoshi Kamura, Atsuyoshi Kojima