Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491397 | Illumination optical system and projector using the same | Yasunori Ogawa, Koichi Akiyama | 2002-12-10 |
| 6481850 | Projector | Takeshi Takezawa, Nobuo Watanabe | 2002-11-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491397 | Illumination optical system and projector using the same | Yasunori Ogawa, Koichi Akiyama | 2002-12-10 |
| 6481850 | Projector | Takeshi Takezawa, Nobuo Watanabe | 2002-11-19 |