Patents per Year
Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7062265 | Architecture to support service features for wireless calls in a wireless telecommunication system | Young-fu Chang, Michael F. Dolan, Chung-Zin Liu, John P. Menard, Jin Young Yang | 2006-06-13 | $8,345,000 |
| 6683871 | Internet protocol telephony | Chinmei Chen Lee, Werner Ulrich | 2004-01-27 | $31,432,000 |
| 6147986 | Address updating of wireless mobile terminal hosts affiliated with a wired network | — | 2000-11-14 | $30,398,000 |
| 5608729 | Method and apparatus for providing two-way data communication cover a widely distributed network | — | 1997-03-04 | $10,689,000 |
| RE32900 | Fast circuit switching system | — | 1989-04-04 | |
| 4817082 | Crosspoint switching system using control rings with fast token circulation | — | 1989-03-28 | |
| 4524440 | Fast circuit switching system | — | 1985-06-18 | |
| 4521880 | Time-slot interchanger for fast circuit switching | — | 1985-06-04 | |
| 4484324 | Control information communication arrangement for a time division switching system | — | 1984-11-20 |