Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11451008 | Optical semiconductor device | Yutaka Ohki | 2022-09-20 |
| 10992102 | Submount, semiconductor device mounting submount, and semiconductor device module | Yutaka Ohki | 2021-04-27 |
| 10439361 | Semiconductor laser device and laser light irradiation apparatus | Yutaka Ohki, Kazuyuki UMENO | 2019-10-08 |
| 7006545 | Semiconductor laser device and optical fiber amplifier using the same | Junji Yoshida, Naoki Tsukiji, Tsuyoshi Saito, Satoshi Irino | 2006-02-28 |
| 6717175 | Semiconductor laser device and method for manufacturing the same | Takahiro Ono | 2004-04-06 |