Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7974540 | Communication system and communication method using the same | Akihisa Tomita, Kazuo Nakamura, Akio Tajima, Akihiro Tanaka, Shuuji Suzuki +3 more | 2011-07-05 |
| 6052400 | Variable wavelength semiconductor laser | Kenichi Nishi | 2000-04-18 |