Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822152 | Audio signal processing apparatus | Youichi Yamada, Takeaki Funada, Hiroyuki Isobe, Keitaro Kaburagi, Naomi Amemiya +1 more | 2004-11-23 |
| 6809247 | System for reproducing information recorded on a disc | Youichi Yamada, Tomohiko Kimura, Hiroyuki Isobe, Gen Inoshita | 2004-10-26 |
| 6751167 | Information playback apparatus | Yoichi Yamada, Tomohiko Kimura, Koichiro Sakata, Takeaki Funada, Hiroyuki Isobe +3 more | 2004-06-15 |