Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125177 | System for controlling air-fuel ratio for flex fuel vehicle using oxygen storage amount of catalyst and method thereof | Dong Hoon Lee, Ki-Joon Lee | 2021-09-21 |
| 10859018 | Exhaust gas purification system using three-way catalyst and method of controlling the same | Dong Hoon Lee, Ki-Joon Lee | 2020-12-08 |