Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8412054 | DQPSK/DPSK optical receiver with tunable optical filters | David Zhi Chen | 2013-04-02 |
| 8032036 | DQPSK/DPSK optical receiver with tunable optical fibers | David Zhi Chen | 2011-10-04 |
| 7389019 | Variable photonic coupler | Steven Gringeri | 2008-06-17 |
| 6108382 | Method and system for transmission of video in an asynchronous transfer mode network | Steven Gringeri, Vijay Kumar Samalam, Bhumip Khasnabish, Roman Egorov | 2000-08-22 |
| 4184056 | Fault locating system for optical telecommunications | Richard A. Beaudette | 1980-01-15 |