Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479946 | Method and system for driving high pressure mercury discharge lamp, and image projector | Makoto Horiuchi, Mamoru Takeda, Takeharu Tsutsumi, Toshiaki Ogura | 2002-11-12 |
| 6368175 | Discharge lamp and method of producing the same | Makoto Horiuchi, Mamoru Takeda | 2002-04-09 |