Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8553908 | Amplification apparatus | Tadaharu Sunaga, Norio Etoh | 2013-10-08 |
| 8450873 | AV system, power feeding apparatus and power receiving apparatus | Koji Harada | 2013-05-28 |
| 8144551 | Reproducing control device having resuming function | — | 2012-03-27 |
| 7774509 | Command conversion device and charging device for content reproduction device | Masahiro Suzuki, Koji Harada, Masahiro Kashiwai | 2010-08-10 |
| 7613437 | Receiver and broadcast receiving method | Koji Harada | 2009-11-03 |