Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6429603 | Discharge lamp lighting apparatus | Kouji Shibata, Tetsuya Kobayashi, Isamu OGAWA, Kenji Hamazaki, Hiroaki Nishikawa +4 more | 2002-08-06 |
| 6194841 | Discharge lamp lighting device | Osamu Takahashi, Isamu OGAWA, Tetuya Kobayashi, Isao Masatika, Tadashi Maeda +3 more | 2001-02-27 |