Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11527866 | Semiconductor optical device | Naoki Fujiwara, Hajime Shoji, Takuo HIRATANI, Takehiko Kikuchi, Toshiyuki Nitta | 2022-12-13 |
| 11393945 | Optical semiconductor device and method for manufacturing optical semiconductor device | Naoko Konishi, Takuo HIRATANI | 2022-07-19 |
| 11270907 | Semiconductor device and method for producing semiconductor device | Takehiko Kikuchi, Nobuhiko Nishiyama | 2022-03-08 |
| 11231552 | Photo detector and method for producing photo detector | Takuya Okimoto | 2022-01-25 |