Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210740 | Line switching equipment for switching a personal line to a backup | Shigeyuki Mitani, Tomohiro Kuroda | 1993-05-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210740 | Line switching equipment for switching a personal line to a backup | Shigeyuki Mitani, Tomohiro Kuroda | 1993-05-11 |