Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679746 | Method for producing discharge lamp and discharge lamp | Makoto Kai, Makoto Horiuchi, Tomoyuki Seki, Mamoru Takeda, Shinichi Yamamoto +1 more | 2004-01-20 |
| 6670759 | Electrodeless discharge lamp | Koichi Katase, Katsushi Seki | 2003-12-30 |
| 6600268 | Short arc mercury lamp and lamp unit | Makoto Horiuchi, Makoto Kai, Tomoyuki Seki, Mamoru Takeda, Shinichi Yamamoto +1 more | 2003-07-29 |
| 6362565 | Electrodeless discharge lamp and apparatus to prevent devitrification | Koichi Katase, Katsushi Seki | 2002-03-26 |
| 6351087 | Microwave electrodeless discharge lamp apparatus | Koichi Katase, Katsushi Seki | 2002-02-26 |