Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642655 | High-pressure metal halide discharge lamp and a lighting apparatus using the lamp | Naoya Matsumoto, Hiroyuki Ogata, Shinji Inukai, Hisanori Sano | 2003-11-04 |
| 6628082 | Glow starter for a high pressure discharge lamp | Naoya Matsumoto, Hiroyuki Ogata, Takahito Kashiwagi, Akira Ito, Daisuke Takayama +2 more | 2003-09-30 |