Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788008 | Device for operating a dielectric barrier discharge lamp | Takahiro Hiraoka | 2004-09-07 |
| 6759811 | Light source device | Tomohiro Yamamoto, Minoru Fukuda | 2004-07-06 |
| 6734643 | Light source device | Mineo Nakayama, Izumi Takaya | 2004-05-11 |