Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6898178 | ATM device, subscriber system, communication system and backup method | Ikuo Aso, Sakae Watanabe | 2005-05-24 |
| 6862290 | Line switching system and line switching unit of dynamic band variation unit | Ikuo Aso, Sakae Watanabe, Kazumasa Azuma | 2005-03-01 |