Issued Patents 2016
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9512814 | Control method of spark ignition engine and spark ignition engine | Masahisa Yamakawa | 2016-12-06 |
| 9470174 | Control system and control method of spark ignition gasoline engine | Kouhei Iwai, Masahisa Yamakawa, Tatsuya Fujikawa, Tatsuya Koga | 2016-10-18 |
| 9328688 | Supercharged direct fuel injection engine | Mitsuo Hitomi, Masahisa Yamakawa, Toshiaki Nishimoto, Keiji Araki | 2016-05-03 |
| 9267421 | Combustion chamber structure for engine | Tadatomo Toda, Mitsunori Wasada, Tadasu Hashiguchi, Kazuhiro Nagatsu | 2016-02-23 |
| 9261041 | Spark-ignition direct injection engine | Kouhei Iwai, Masahisa Yamakawa, Kazuhiro Nagatsu | 2016-02-16 |