Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12381239 | Method for controlling compensation for air flow rate during discharge of hydrogen off-gas in fuel cell system and apparatus using the same | Sang Wook Han, Jae Won Jung | 2025-08-05 |
| 12308494 | System and method for fuel cell diagnosis | Jae Ho Han, Chang Hwa Hyun | 2025-05-20 |
| 12308493 | Method of controlling fuel cell | Jung Jae Lee | 2025-05-20 |
| 12288906 | System and method for determining performance of fuel cell stack | Doo Hyun Kim, Hyo Jin Park, Jong Gyun Kim | 2025-04-29 |
| 12266831 | Start control system and method of fuel cell | Jae Gwang Lee | 2025-04-01 |
| 12107305 | Power generation control system and method of a fuel cell | Soon Woo Kwon | 2024-10-01 |
| 12087980 | System and method for controlling cold start of fuel cell | Jae Ho Han | 2024-09-10 |
| 11705561 | Method and system for controlling hydrogen purge | Jun Young Park | 2023-07-18 |
| 11631871 | Startup control method and control system for fuel cell | Mi Sun Kim | 2023-04-18 |
| 11515549 | Method of recovering performance of fuel cell stack | Seong Cheol Jeong, Jong Gyun Kim, Jae Won Jung | 2022-11-29 |
| 11471347 | Automatically inflatable patient transfer air mattress | — | 2022-10-18 |
| D966526 | Patient transfer mat | — | 2022-10-11 |
| 11296344 | Operating control method and control system of fuel cell stack | Hyun Suk Choo | 2022-04-05 |
| 11296341 | Method and system for controlling startup of fuel cell | — | 2022-04-05 |
| 11283090 | Apparatus and method for controlling concentration of exhaust hydrogen in fuel cell system | Jae Ho Han, Jae Won Jung, Jai Hyun Ahn, Hyun Jae Lee | 2022-03-22 |
| 11264628 | Controller for estimating relative humidity and condensed water, and method for controlling condensed water drain using the same | Soon Il Jeon, Dong Hun Lee | 2022-03-01 |
| 11251451 | Controller for estimating relative humidity and condensed water, and method for controlling condensed water drain using the same | Soon Il Jeon, Dong Hun Lee | 2022-02-15 |
| 11245126 | Controller for estimating relative humidity and condensed water, and method for controlling condensed water drain using the same | Soon Il Jeon, Dong Hun Lee | 2022-02-08 |
| 11217802 | Method and system for estimating available output of fuel cell | — | 2022-01-04 |
| 11152634 | Voltage control method and system for fuel cell | Gun Hyung Park, Seung Yoon Lee | 2021-10-19 |
| 10930945 | Fuel cell system and control method thereof | Hyun Jae Lee | 2021-02-23 |
| 10770740 | Method of shutting down operation of fuel cell vehicle | — | 2020-09-08 |
| 10756367 | Fuel cell failure diagnostic apparatus and method thereof | Seong Cheol Jeong | 2020-08-25 |
| 10707506 | Hydrogen supply method for fuel cell system | Deuk Kuen Ahn, Hyun Jae Lee | 2020-07-07 |
| 10688869 | Apparatus for controlling battery state of charge, system having apparatus for controlling battery state of charge, and method for controlling battery state of charge | Seung Yoon Lee, Gun Hyung Park, Kyu Il Lee | 2020-06-23 |