Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393063 | Optical modulator with sink waveguide | Aleksandra Spyra, Alfred Ka Chun Cheung | 2025-08-19 |
| 12271065 | Inverse designed optical modulator | Aleksandra Spyra, Alfred Ka Chun Cheung | 2025-04-08 |
| 12265777 | Using shift-tolerant loss functions in an inverse design process | Alfred Ka Chun Cheung, Martin F. Schubert | 2025-04-01 |
| 11962351 | Multilayer photonic devices with metastructured layers | Martin F. Schubert, Alfred Ka Chun Cheung | 2024-04-16 |
| 11621784 | Photonic integrated circuit with optical deinterleaver | Martin F. Schubert, Alfred Ka Chun Cheung | 2023-04-04 |
| 8161407 | Multiple sorting of columns in a displayed table in a user interactive computer display interface through sequential radial menus | Rhys D. Ulerich | 2012-04-17 |
| 6721657 | Inertial GPS navigation system | Thomas J. Ford, Janet Brown Neumann | 2004-04-13 |