Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971571 | Operation control method on the basis of ion current in internal combustion engine | Yoshiyuki Fukumura, Mitsuhiro Izumi, Kouichi Kitaura, Kouichi Satoya, Mamoru Yoshioka | 2011-07-05 |
| 6659081 | Arrangement for mounting a sparkplug of an internal combustion engine | Atsushi Ito, Nariki Maeda, Teruji Ichihara, Yoshiyuki Fukumura, Mitsuhiro Izumi | 2003-12-09 |
| 6439029 | Method of detecting a knock in an internal combustion engine by means of ionic current | Atsushi Ito, Teruji Ichihara, Yoshiyuki Fukumura | 2002-08-27 |
| 5452603 | Method for detecting lean limit by means of ionic current in an internal combustion engine | Katsuyuki Kajitani, Sadao Takaki, Manabu Takeuchi | 1995-09-26 |