Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9001859 | Ridge semiconductor laser and method for manufacturing a ridge semiconductor laser | Yasuyoshi Ote, Jun-ichi Asaoka, Kenji Hirai, Hiroshi Yokoyama | 2015-04-07 |
| 5949120 | Semiconductor photodetector | Kazutoshi Kato, Yoshifumi Muramoto, Osaake Nakajima, Masahiro Yuda | 1999-09-07 |