Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313393 | Level sensor and substrate processing apparatus including the same | Sungho Jang, Sangwoo Bae, Minhwan Seo, Jangwoon Sung, Akinori Okubo +3 more | 2025-05-27 |
| 9690200 | Optical apparatus and manufacturing method using the same | Jongjin Lee, Hikuk Lee, Sangdon Jang, Inbae Chang | 2017-06-27 |