Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10355454 | Optical semiconductor device, optical module, and method for manufacturing optical semiconductor device | Kouji Nakahara | 2019-07-16 |
| 10312665 | Optical semiconductor device, optical subassembly, and optical module | Kaoru Okamoto, Kouji Nakahara | 2019-06-04 |