Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778202 | Optical scanning device having a resin lens | Masao Yamaguchi | 2004-08-17 |
| 6683708 | Multi-beam exposure unit | Masao Yamaguchi, Yasuyuki Fukutome | 2004-01-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778202 | Optical scanning device having a resin lens | Masao Yamaguchi | 2004-08-17 |
| 6683708 | Multi-beam exposure unit | Masao Yamaguchi, Yasuyuki Fukutome | 2004-01-27 |