Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7957047 | Laser projection device | — | 2011-06-07 |
| 7916292 | Concave diffraction grating device, reflective dispersion device, and spectral device | Kenji Imura, Masayuki Yamada | 2011-03-29 |