Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10424223 | Braille actuator and braille outputting device using same | Jae Ryun CHO, Min Sung Son, Hang Sok Kim | 2019-09-24 |
| 10074858 | Fuel cell separator and fuel cell stack and reactant gas control method thereof | Sung-Jin Oh, Seung Ho Baek, Sung Hoon Lee, Il-Tae Park, Byung-Sun Hong +1 more | 2018-09-11 |
| 9876237 | Fuel cell separator and fuel cell stack and reactant gas control method thereof | Sung-Jin Oh, Seung Ho Baek, Sung Hoon Lee, Il-Tae Park, Byung-Sun Hong +1 more | 2018-01-23 |
| 9343756 | Fuel cell separator and fuel cell stack and reactant gas control method thereof | Sung-Jin Oh, Seung Ho Baek, Sung Hoon Lee, Il-Tae Park, Byung-Sun Hong +1 more | 2016-05-17 |