Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6870871 | Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same | Junji Yoshida, Naoki Tsukiji, Takeshi Aikiyo | 2005-03-22 |
| 6614822 | Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same | Junji Yoshida, Naoki Tsukiji, Takeshi Aikiyo | 2003-09-02 |
| 6343088 | Semiconductor laser module | Akira Mugino, Takeo Shimizu | 2002-01-29 |