Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10006421 | Fuel filter for diesel engine | Chang Ho Ham, Jae Hyub Hyun, Seung Chun Choi, Han Poong Lee | 2018-06-26 |
| 9879641 | Heater control apparatus and heater control method of fuel filter for vehicle | Chang Ho Ham | 2018-01-30 |
| 9874127 | Urea injection device for selective catalyst reduction device | Chang Ho Ham, Buyeol Ryu | 2018-01-23 |