Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6236512 | Collimator lens and light-scanning apparatus using the same | — | 2001-05-22 |
| 6061183 | Collimator lens and light-scanning apparatus using the same | — | 2000-05-09 |
| 5936783 | Image readout lens and image readout apparatus using the same | Hiromitsu Yamakawa | 1999-08-10 |