Issued Patents All Time
Showing 1–3 of 3 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 | Yoshiki Kitahara, Takeharu Tsutsumi | 2005-10-04 |
| 6232720 | High-pressure mercury vapor discharge lamp | Yoshiki Kitahara, Takeharu Tsutsumi | 2001-05-15 |
| 6211616 | High pressure discharge lamp, with tungsten electrode and lighting optical apparatus and image display system using the same | Yoshiki Kitahara, Takeharu Tsutsumi | 2001-04-03 |