Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10603634 | Emission control system | Han-Yuan CHANG, Nicholas Polcyn | 2020-03-31 |
| 9470166 | Control apparatus for internal combustion engine | Hiroyuki Takezoe, Hiroshi Katsurahara | 2016-10-18 |
| 9458785 | EGR controller for internal combustion engine | Hideaki Ichihara, Hiroshi Katsurahara, Hiroyuki Takezoe | 2016-10-04 |
| 8960169 | EGR controller for internal combustion engine | Hiroyuki Takezoe, Hideaki Ichihara, Hiroshi Katsurahara | 2015-02-24 |
| 8893473 | Emission control system for internal combustion engine | Shingo Nakata, Mikiyasu Matsuoka | 2014-11-25 |