Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9116436 | Maskless exposure apparatus including spatial filter having phase shifter pattern and exposure method | Younghoon Shin, Namyeol Yang | 2015-08-25 |
| 5328776 | Abrasion and impact resistant composite castings and wear resistant surface provided therewith | Michail Garber, Boris Amusin | 1994-07-12 |