Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781721 | Communication apparatus with relay function and relay method | Kiyoshi Toyoda | 2004-08-24 |
| 6683698 | Communication apparatus with relay function and relay method | Kiyoshi Toyoda | 2004-01-27 |