Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11855184 | Method of manufacturing a power semiconductor device having source region and body contact region formed between trench-type gate electrodes | Seong Jo Hong | 2023-12-26 |
| 11549162 | Alloy steel manufacturing method | Woong Han, Yeo Sun Yun, Jung Hwan Son | 2023-01-10 |
| 11441211 | Method for producing alloy steel | Woong Han, Chong T. Ahn, Jun Jeong BEAK, Min-Ho Song | 2022-09-13 |
| 11225695 | Dephosphorizing flux and method for preparing same | Woong Han, Chong T. Ahn, Jun Jeong BEAK, Min-Ho Song | 2022-01-18 |
| 11056575 | Power semiconductor device with alternating source region and body contact region and manufacturing method thereof | Seong Jo Hong | 2021-07-06 |
| 11038019 | Power semiconductor device and method for manufacturing the same | Seong Jo Hong, Ha Yong Yang, Young Ho Seo | 2021-06-15 |
| 10784253 | Low voltage trench metal oxide semiconductor field effect transistor | Seung Hyun Kim, Yong Won Lee | 2020-09-22 |
| 10593758 | Power semiconductor device and method for manufacturing the same | Seong Jo Hong, Ha Yong Yang, Young Ho Seo | 2020-03-17 |
| 10109731 | Power MOSFET and method for manufacturing the same | Seung Hyun Kim, Yong Won Lee, Ho Seok HWANG, Sang-Hoon Ahn | 2018-10-23 |
| 10077482 | Molten iron refining method and device thereof | Jung-Ho Park, Jin Kyu Chun, Yun Yeol Seo | 2018-09-18 |
| 10038056 | Method for fabricating of cell pitch reduced semiconductor device and semiconductor device | Seung Hyun Kim, Dae Won Hwang, Yong Won Lee | 2018-07-31 |
| 9683271 | Impeller and method of melt-pool processing method using the same | Min-Ho Song, Wook Hyun Kim, Woong Han, Jung-Ho Park | 2017-06-20 |