Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044601 | High voltage discharge lamp lighting device | Nobutoshi Matsuzaki, Hiroyasu Eriguchi, Takeshi Goriki, Naoki Komatu, Jun Kumagai +3 more | 2011-10-25 |
| 7109659 | High-intensity discharge lamp ballast and method for operating high-intensity discharge lamp | — | 2006-09-19 |
| 7015655 | Electronic ballast for a high intensity discharge lamp | Minoru Maehara, Masanori Mishima, Takahiro Abe | 2006-03-21 |
| 6958580 | Electronic ballast for a high intensity discharge lamp | Takahiro Abe | 2005-10-25 |
| 6914395 | Electronic ballast for a high-pressure discharge lamp | Tokushi Yamauchi, Tsutomu Shiomi, Minoru Maehara, Yutaka Iwahori, Toshiaki Nakamura | 2005-07-05 |
| 6437515 | Discharge lamp lighting device of high startability with high pulse voltage | Naoki Komatsu, Tsutomu Shiomi, Hiroichi Shinbori, Takeshi Goriki, Yiyoung Sun | 2002-08-20 |
| 6104147 | Pulse generator and discharge lamp lighting device using same | Toshiaki Nakamura, Tsutomu Shiomi | 2000-08-15 |
| 5930127 | Power source device | Yutaka Iwahori, Hiroichi Shinbori, Tsutomu Shiomi, Shinji Hizuma, Toshiaki Nakamura +1 more | 1999-07-27 |
| 5606223 | Luminaire of reduced noise with magnetic field cancelled | Minoru Yamamoto, Hiroyasu Eriguchi | 1997-02-25 |
| 5491386 | Stable high frequency high-pressure discharge lamp lighting device avoiding acoustic resonance | Hiroyasu Eriguchi, Hiroshi Nishimura, Minoru Yamamoto, Yutaka Iwahori | 1996-02-13 |