Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5956596 | Method of forming and cleaning a laser marking region at a round zone of a semiconductor wafer | Young Jin Cho, Dong-Heui Jang, Jeong Yeal Kim | 1999-09-21 |
| 5729856 | Semiconductor wafer cleaning apparatus | Dong-Heui Jang, Dong Hyun Kim, Choung-Hee Kim | 1998-03-24 |