Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470115 | Optical switching element and image display device | — | 2002-10-22 |
| 6438282 | Optical switching device and image display device | Takashi Takeda, Hirokazu Ito, Shunji Kamijima | 2002-08-20 |
| 6381381 | Optical switching device and image display device | Takashi Takeda, Hirokazu Ito, Shunji Kamijima | 2002-04-30 |