Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524244 | Digital and voice telecommunication apparatus | Federico Faggin, Jerry A. Klein, Lauren F. Yazolino, Robert Korody, Eric Ha | 1985-06-18 |
| 4185173 | Key telephone call signalling circuit | Fumikazu Hamatani, Fumio Tsutsumi, Yuji Tanaka | 1980-01-22 |