Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12236158 | Systems and methods for detection status of intercom termination | Charles Butten | 2025-02-25 |
| 11809772 | Systems and methods for detection status of intercom termination | Charles Butten | 2023-11-07 |
| 8208507 | Feedback control for heated TOSA | Charles Steven Joiner, YongShan Zhang | 2012-06-26 |
| 7954358 | Laser driver bias current calibration | Jingyun Zou, Hung Nguyen, Charles Steven Joiner | 2011-06-07 |