Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |