Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7031620 | Optical transmission device and optical transmission system using the same | Shigeru Tokita, Mitsuo Akashi, Naohiko Baba, Hideki Satoh | 2006-04-18 |
| 6868235 | Optical transmission module with light element temperature control | Shigeru Tokita, Tadashi Hatano, Fumihide Maeda, Katsumi Saito | 2005-03-15 |
| 6693932 | Optical wavelength stabilization circuit, optical transmitter and optical transmission system | Mitsuo Akashi, Sunil Sharma, Shigeru Tokita | 2004-02-17 |