Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10320150 | Optical semiconductor apparatus | Toshihito Suzuki, Tatsuro Kurobe | 2019-06-11 |
| 10241267 | Semiconductor optical integrated device including a reduced thickness upper cladding layer in a ridge waveguide portion, and method of manufacturing the same | Tatsuya Kimoto, Yusuke Saito | 2019-03-26 |