Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829271 | Light-emitting semiconductor device producing red wavelength optical radiation | Shunichi Sato, Takashi Takahashi | 2004-12-07 |
| 6765232 | Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system | Takashi Takahashi, Morimasa Kaminishi, Shunichi Sato, Akihiro Itoh | 2004-07-20 |
| 6674785 | Vertical-cavity, surface-emission type laser diode and fabrication process thereof | Shunichi Sato, Takashi Takahashi, Morimasa Kaminishi, Akihiro Itoh | 2004-01-06 |