Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11855504 | Motor | — | 2023-12-26 |
| 10069437 | Oil type phase shift transformer for medium voltage inverter system | — | 2018-09-04 |
| 8242590 | Silicon wafer for semiconductor with powersupply system on the backside of wafer | Hyo-Jun Ahn, Ki-Won Kim, Jou-Hyeon Ahn, Tae-Hyun Nam, Kwon-Koo Cho +6 more | 2012-08-14 |
| 7915725 | Silicon wafer for semiconductor with powersupply system on the backside of wafer | Hyo-Jun Ahn, Ki-Won Kim, Jou-Hyeon Ahn, Tae-Hyun Nam, Kwon-Koo Cho +6 more | 2011-03-29 |