Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8412054 | DQPSK/DPSK optical receiver with tunable optical filters | David Zhi Chen | 2013-04-02 | $73,496,000 |
| 8032036 | DQPSK/DPSK optical receiver with tunable optical fibers | David Zhi Chen | 2011-10-04 | $47,217,000 |
| 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 | $6,430,000 |