Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791984 | Dynamic band-allocating subscriber-line-terminating apparatus | Nagao Shimada, Tomohiro Shinomiya, Masatake Miyabe | 2004-09-14 |
| 6741766 | Optical switch device | Kazuyuki Tajima | 2004-05-25 |