Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5166928 | Communication system comprising a communication line monitor for monitoring a communication line | Shinako Nishioka, Shotaro Tanaka, Masao Ikezaki | 1992-11-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5166928 | Communication system comprising a communication line monitor for monitoring a communication line | Shinako Nishioka, Shotaro Tanaka, Masao Ikezaki | 1992-11-24 |