Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7885543 | High performance gigabit passive optical network | David Zhi Chen, Steven Gringeri | 2011-02-08 |
| 7657138 | Method and apparatus for providing free-space optical cross-connections | David Zhi Chen | 2010-02-02 |