Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9813182 | Submarine reconfigurable optical add/drop multiplexer with passive branching unit | Philip Nan Ji, Ting Wang | 2017-11-07 |
| 9735914 | Mechanism for traffic privacy in reconfigurable add/drop multiplexer based submarine networks | Eduardo Mateo Rodriguez, Philip Nan Ji | 2017-08-15 |
| 9654209 | Low cost secure ROADM branching unit with redundancy protection | Philip Nan Ji, Ting Wang | 2017-05-16 |
| 9654246 | Low cost secure submarine ROADM branching unit using bidirectional wavelength-selective switch | Philip Nan Ji, Ting Wang | 2017-05-16 |