Patents by Inventor Jun Takemura

Jun Takemura 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).

  • Method for determining combustion condition in spark ignition internal combustion engine and combustion condition control device
    Patent number: 4976241
    Abstract: A method and device for determining and controlling the condition of a spark ignition internal combustion engine involves detecting a physical value of combustion varying in association with combustion in the combustion chamber, then calculating the heat evolution rate from the physical value, and then determining the adjusting the combustion condition in dependence on the falling area of the heat evolution rate.
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: December 11, 1990
    Assignee: Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    Inventors: Tetsuro Ishida, Yoshiaki Danno, Kazuhide Togai, Hiromitsu Ando, Daisuke Sanbayashi, Masato Yoshida, Kazuhiro Shiraishi, Tokihiro Tsukamoto, Jun Takemura, Eiichi Koujina