Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765232 | Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system | Takashi Takahashi, Shunichi Sato, Akihiro Itoh, Naoto Jikutani | 2004-07-20 |
| 6674785 | Vertical-cavity, surface-emission type laser diode and fabrication process thereof | Shunichi Sato, Takashi Takahashi, Naoto Jikutani, Akihiro Itoh | 2004-01-06 |