Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7436123 | Discharge lamp ballast device and lighting appliance | Katsunobu Hamamoto, Kazuhiro Nishimoto, Masahiro Yamanaka | 2008-10-14 |
| 6949885 | Discharge lamp lighting device and lighting apparatus | Katsunobu Hamamoto, Katsumi Sato | 2005-09-27 |
| 6580229 | Discharge lamp lighting device | Yoshinobu Murakami, Joji Oyama, Shigeru Ido, Naokage Kishimoto | 2003-06-17 |
| 6118224 | Discharge lamp lighting device | Yoshinobu Murakami, Tokushi Yamauchi, Tomoyuki Nakano | 2000-09-12 |
| 5563777 | Inverter AC power supply | Nobukazu Miki, Koji Nishiura, Akinori Hiramatsu | 1996-10-08 |
| 5541829 | Power source device | Minorua Maehara, Hiroshi Nishimura, Katsumi Sato, Tadahiro Kono | 1996-07-30 |