Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12432974 | Semiconductor device | Beom Jin Park, Dong-Hee Won, Keun Hwi | 2025-09-30 |
| 7608370 | Exposure mask and method for manufacturing semiconductor device using the same | Sang-jun Han | 2009-10-27 |
| 7485543 | Method for manufacturing semiconductor device with overlay vernier | Sang-jun Han | 2009-02-03 |
| 6492088 | Photoresist monomers polymers thereof and photoresist compositions containing the same | Jae-Hak Choi | 2002-12-10 |
| 5928814 | Photomask controlling transmissivity by using an impurity-containing film formed on a transparent substrate | Seong Woo Yang | 1999-07-27 |