Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38807 | High pressure discharge lamp, with tungsten electrode and lighting optical apparatus and image display system using the same | Nobuyosi Takeuti, Yoshiki Kitahara | 2005-10-04 |
| 6897613 | Discharge lamp, light source and projecting display unit | Mitsuhiro Wada, Suguru Nakao, Toshiaki Ogura | 2005-05-24 |
| 6559600 | Discharge lamp, light source and projecting display unit | Mitsuhiro Wada, Suguru Nakao, Toshiaki Ogura | 2003-05-06 |
| 6479946 | Method and system for driving high pressure mercury discharge lamp, and image projector | Makoto Kai, Makoto Horiuchi, Mamoru Takeda, Toshiaki Ogura | 2002-11-12 |
| 6232720 | High-pressure mercury vapor discharge lamp | Yoshiki Kitahara, Nobuyosi Takeuti | 2001-05-15 |
| 6211616 | High pressure discharge lamp, with tungsten electrode and lighting optical apparatus and image display system using the same | Nobuyosi Takeuti, Yoshiki Kitahara | 2001-04-03 |