Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454417 | Projection optical system comprising an optical function surface for reflecting or transmitting light from a spatial light modulator | Shigeru Sawamura | 2002-09-24 |
| 6382799 | Projection optical apparatus | Jun Nishikawa, Shigeru Sawamura | 2002-05-07 |