Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629762 | Electric field sensor using liquid crystal and three-dimensional movie player/recorder using the same | Koichi Okamoto | 2003-10-07 |
| 6554444 | Gazing point illuminating device | Jun Shimada, Shigeo Fujita | 2003-04-29 |