Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204467 | Integrated grating coupler | Keisuke Kojima, Mitsunobu Gotoda, Toshiaki Koike-Akino | 2021-12-21 |
| 10921525 | Grating coupler and integrated grating coupler system | Keisuke Kojima, Mitsunobu Gotoda, Toshiaki Koike-Akino | 2021-02-16 |