Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967982 | Semiconductor laser device with a strain reduction cushion function, semiconductor laser module, and semiconductor laser device fabrication method | Naoki Tsukiji, Masayoshi Seki, Junji Yoshida, Yutaka Oki | 2005-11-22 |
| 6845117 | Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the device or module | Naoki Tsukiji, Junji Yoshida, Toshio Kimura, Shu Namiki | 2005-01-18 |
| 6810049 | Semiconductor laser device and semiconductor laser module | Naoki Tsukiji, Junji Yoshida | 2004-10-26 |
| 6760352 | Semiconductor laser device with a diffraction grating and semiconductor laser module | Naoki Tsukiji, Junji Yoshida | 2004-07-06 |