Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650741 | Power line connection circuit and power line switch IC for the same | Toru Nakamura | 1997-07-22 |
| 5636218 | Gateway system that relays data via a PBX to a computer connected to a pots and a computer connected to an extension telephone and a lanand a method for controlling same | Seita Iida | 1997-06-03 |