Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765590 | AV device control apparatus | Tomoaki Watahiki, Koichi Matsumura | 2004-07-20 |
| 6715092 | Power management apparatus | Masaki Saga, Hideaki Takechi, Koichi Matsumura, Hajime Maekawa | 2004-03-30 |