Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479946 | Method and system for driving high pressure mercury discharge lamp, and image projector | Makoto Kai, Mamoru Takeda, Takeharu Tsutsumi, Toshiaki Ogura | 2002-11-12 |
| 6479950 | High intensity discharge lamp, driving apparatus for high intensity discharge lamp, and high intensity discharge lamp system | Kiyoshi Takahashi, Yuriko Kaneko, Hideaki Kiryu, Mamoru Takeda, Takayuki Murase +1 more | 2002-11-12 |
| 6428379 | Method for manufacturing high-pressure discharge lamp | Yuriko Kaneko, Mamoru Takeda | 2002-08-06 |
| 6368175 | Discharge lamp and method of producing the same | Makoto Kai, Mamoru Takeda | 2002-04-09 |