Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11320677 | Wavelength calibration method, apparatus, and system for microring filter | Long Luo, Ruiqiang Ji, Yanbo Li, Mai Wang | 2022-05-03 |
| 11095386 | Add/drop filter and optical add/drop multiplexer | Andrea Melloni, Francesco Morichetti, Ruiqiang Ji, Douglas Aguiar, Maziyar MILANIZADEH +3 more | 2021-08-17 |