Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6927854 | Projection exposure device and position alignment device and position alignment method | Noriyoshi Matsumoto | 2005-08-09 |
| 6831730 | Optical magnification adjustment system and projection exposure device | Noriyoshi Matsumoto, Nozomu Kowatari | 2004-12-14 |
| 6738195 | Optical magnification adjustment system and projection exposure device | Noriyoshi Matsumoto, Nozomu Kowatari | 2004-05-18 |