Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914395 | Electronic ballast for a high-pressure discharge lamp | Tokushi Yamauchi, Minoru Maehara, Yutaka Iwahori, Toshiaki Nakamura, Takeshi Kamoi | 2005-07-05 |
| 6437515 | Discharge lamp lighting device of high startability with high pulse voltage | Takeshi Kamoi, Naoki Komatsu, Hiroichi Shinbori, Takeshi Goriki, Yiyoung Sun | 2002-08-20 |
| 6288501 | Ballast for a discharge lamp | Toshiaki Nakamura, Hirofumi Konishi | 2001-09-11 |
| 6111392 | Power source device including a plurality of switching circuit for power conversion with switching elements used in common | Yutaka Iwahori, Hiroichi Shinbori, Shinji Hizuma, Toshiaki Nakamura | 2000-08-29 |
| 6108225 | Power device with commonly used switching elements | Yutaka Iwahori, Hiroichi Shinbori, Toshiaki Nakamura, Shinji Hizuma | 2000-08-22 |
| 6104147 | Pulse generator and discharge lamp lighting device using same | Toshiaki Nakamura, Takeshi Kamoi | 2000-08-15 |
| 5959410 | Charge pump power factor correction circuit for power supply for gas discharge lamp | Tokushi Yamauchi | 1999-09-28 |
| 5930127 | Power source device | Yutaka Iwahori, Hiroichi Shinbori, Shinji Hizuma, Toshiaki Nakamura, Naoki Komatsu +1 more | 1999-07-27 |
| 5365150 | Inverter device having load voltage detection function | Hiroichi Shinbori | 1994-11-15 |