Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9755777 | Optical transmitter and optical transmission method | Koji Bato, Tomoyuki Sakata, Tatsuro Kishida, Koji Matsunaga, Yuichiro Sakane +1 more | 2017-09-05 |
| 9537599 | Optical transmitter and optical transmission method | Koji Bato, Tomoyuki Sakata, Tatsuro Kishida, Koji Matsunaga, Yuichiro Sakane +1 more | 2017-01-03 |
| 9450698 | Optical transmission device, optical transmission system, and optical transmission method | Koji Matsunaga, Yasuo Tanaka, Yuichiro Sakane, Koji Bato, Wataru Kawasaki +1 more | 2016-09-20 |
| 9270382 | Optical communication apparatus and control method thereof | Yuichiro Sakane, Koji Matsunaga, Yasuo Tanaka, Koji Bato, Wataru Kawasaki +1 more | 2016-02-23 |
| 9112637 | Optical transmission device and method | Yuichiro Sakane, Koji Bato, Koji Matsunaga, Wataru Kawasaki, Tatsuhiko Saito | 2015-08-18 |
| 8891966 | Optical communication device and signal adjusting method | Koji Matsunaga, Yasuo Tanaka, Hironobu Fukuura, Wataru Kawasaki, Shota Mori | 2014-11-18 |
| 8672566 | Node apparatus and communication method | Tadashige Iwao, Yuji Takahashi, Syunsuke Koga, Yuri Noguchi, Masato Miyake | 2014-03-18 |
| 7529240 | Transmission device | Junichi Sawada, Hidetoshi Amari, Shinji Takao, Koji Matsunaga | 2009-05-05 |
| 6763038 | Light transmission equipment | Nobuhiko Usui, Koji Matsunaga, Masayuki Maehira, Yumiko Ogata, Masahiro Shioda +1 more | 2004-07-13 |