Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11135660 | Cutting processing system and performance test paper for evaluating discharge responsiveness thereof | — | 2021-10-05 |
| 10886555 | Apparatus for activating membrane electrode assembly for fuel cells | Ji Won Yu | 2021-01-05 |
| 10026985 | Apparatus for activating membrane electrode assembly for fuel cells | Ji Won Yu | 2018-07-17 |
| 9415474 | Spindle jig and auto pallet-changeable machining center having the same | Joo Ok Park, Heedong Son | 2016-08-16 |