Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774506 | Electric power demand adjusting system | Yoshio Izui, Masashi Kitayama | 2004-08-10 |
| 6738898 | Information processor, method for saving/loading data, and information recorded | Eiji Nakaya, Hirotsuna Miura | 2004-05-18 |
| 6731759 | Audio signal reproduction device | Kenichi Terai, Isao Kakuhari | 2004-05-04 |