Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9470174 | Control system and control method of spark ignition gasoline engine | Masahisa Yamakawa, Takashi Youso, Tatsuya Fujikawa, Tatsuya Koga | 2016-10-18 |
| 9429087 | Spark ignition engine | Junichi Taga, Keiji Araki | 2016-08-30 |
| 9261041 | Spark-ignition direct injection engine | Masahisa Yamakawa, Kazuhiro Nagatsu, Takashi Youso | 2016-02-16 |
| 9255539 | Spark-ignition direct injection engine | Masahisa Yamakawa, Kazuhiro Nagatsu, Hiroyuki Kurita | 2016-02-09 |