Patents by Inventor lsao NAKAJIMA

lsao NAKAJIMA 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).

  • Publication number: 20190170108
    Abstract: A controller learns the degree of variation in the injection amount of fuel injection valves provided for respective cylinders when the fuel injection valves are operated to control the air-fuel ratios of the respective cylinders to be equal to each other. A first advancement requesting process causes the request for the ignition timing to be more advanced when the degree of variation is great than when the degree of variation is small. A second advancement requesting process causes the request for the ignition timing to be more advanced when the torque fluctuation amount of the internal combustion engine is than when the torque fluctuation amount is small. The ignition control process controls the ignition timing in accordance with the request of the more advanced one of the first advancement requesting process and the second advancement requesting process.
    Type: Application
    Filed: October 4, 2018
    Publication date: June 6, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuya YOSHIKAWA, lsao NAKAJIMA, Akihiro KATAYAMA, Ryo SUZUKI, Sohichi IMAI, Eiichiro KIDO