Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8214724 | Transmitting data with variable unit for playback | Seiichi Idei, Kazuaki Numano, Yasushi Tsukamoto | 2012-07-03 |
| 7253586 | Intelligent multiple battery charging station | P. Daniel Kangas, Seiichi Idei | 2007-08-07 |
| 7239112 | Battery overcharging compensation system and method | P. Daniel Kangas, Seiichi Idei | 2007-07-03 |