Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719428 | Projector device and projector system having irregular color and irregular luminance correction circuit | — | 2004-04-13 |
| 6717375 | Discharge lamp lighting device and system comprising it | Yasuhiro Kakimoto | 2004-04-06 |