Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144653 | Telephone system capable of automatically distributing terminating calls and method of performing communication within the telephone system | — | 1992-09-01 |
| 4667266 | Printed-circuit board with protection against static discharge damage | Nakayama Yasunobu | 1987-05-19 |