Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861812 | Discharge lamp ballast with DC-DC converter | Takashi Kambara, Toshiaki Nakamura, Hirofumi Konishi, Toshifumi Tanaka | 2005-03-01 |
| 6693393 | Ballast for a discharge lamp | Hirofumi Konishi, Toshiaki Nakamura, Takashi Kambara, Toshifumi Tanaka | 2004-02-17 |
| 5747945 | Electrodeless discharge lamp utilizing induced electric field generated by a high frequency electromagnetic field | Shin Ukegawa, Shigeaki Wada, Atsunori Okada, Shingo Higashisaka | 1998-05-05 |
| 5519285 | Electrodeless discharge lamp | Shin Ukegawa, Shigeaki Wada, Atsunori Okada, Shingo Higashisaka, Motohiro Saimi +3 more | 1996-05-21 |
| 5367226 | Electrodeless discharge lamp having a concave recess and foil electrode formed therein | Shin Ukegawa, Shigeaki Wada, Atsunori Okada, Shingo Higashisaka | 1994-11-22 |