Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429718 | Ultra-high bandwidth multi-junction silicon optical modulator | Masaki Kato | 2025-09-30 |
| 12360406 | Multi-doped slab silicon optical modulator | Masaki Kato | 2025-07-15 |
| 11428963 | Methods to improve modulation efficiency in silicon optical modulator | Masaki Kato | 2022-08-30 |
| 10935723 | Surface gratings, photonics circuit, and method for wafer-level testing thereof | Masaki Kato | 2021-03-02 |
| 10605991 | Optical equalizer for photonics system | Masaki Kato | 2020-03-31 |
| 10365435 | Surface gratings, photonics circuit, and method for wafer-level testing thereof | Masaki Kato | 2019-07-30 |
| 10274681 | Optical equalizer for photonics system | Masaki Kato | 2019-04-30 |