Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6994438 | Optical component casing, optical device and projector | Taisuke Uehara, Tomiyoshi Ushiyama, Shohei Fujisawa | 2006-02-07 |
| 6829111 | Projection lens manufacturing apparatus, projection lens manufacturing method, projection lens manufactured by the projection lens manufacturing method and projector having the projection lens | Shohei Fujisawa, Shunji Umemura | 2004-12-07 |