Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1086087 | CMP (chemical mechanical planarization) retaining ring | Hyungjoo Lee | 2025-07-29 |
| D1063595 | CMP (chemical mechanical planarization) retaining ring | Hyungjoo Lee | 2025-02-25 |
| D1062662 | CMP (chemical mechanical planarization) retaining ring | Hyungjoo Lee | 2025-02-18 |
| 11658057 | Wafer chuck | Sungil Choi, Myeongshik Shim, Jonghyun Hong, Bonggyo SEO | 2023-05-23 |