Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9136944 | Measurement device, measurement method, transfer device, and optical network | Shoichiro Oda | 2015-09-15 |
| 9083459 | Optical transmission system, method of testing optical transmission system, and non-transitory computer-readable medium | Shoichiro Oda, Takeshi Hoshida, Kyosuke Sone | 2015-07-14 |
| 8965202 | Optical power monitor, optical power control system and optical power monitor method | Kyosuke Sone, Takahito Tanimura, Toshiki Tanaka, Shoichiro Oda | 2015-02-24 |
| 8774642 | Optical transmission apparatus and optical interleaving control method | — | 2014-07-08 |
| 8705974 | Optical transmission system and optical transmission method | Yohei Koganei, Masahiro Shioda, Osamu Takeuchi, Hayato Furukawa | 2014-04-22 |
| 8681818 | Frame generating apparatus, optical transmission system, frame generating method, and optical transmission method | Osamu Takeuchi | 2014-03-25 |
| 8660425 | Optical transmitting device and optical receiving device | — | 2014-02-25 |
| 8521030 | Transceiver apparatus, communication control method, and concentrator | — | 2013-08-27 |
| 8331793 | Optical transmission apparatus and method | Osamu Takeuchi, Masahiro Shioda, Hisao Nakashima | 2012-12-11 |
| 8275258 | Optical communication base station, optical signal conversion apparatus, and optical signal conversion method | Yutaka Kai | 2012-09-25 |
| 8170416 | Optical switching device | Yutaka Kai | 2012-05-01 |
| 8032028 | Optical add/drop device | Yutaka Takita, Yutaka Kai, Kyosuke Sone | 2011-10-04 |
| 8019228 | Optical switching transmission system with timing correction | Kyosuke Sone | 2011-09-13 |
| 8000599 | Optical transmission system and optical transmission method | — | 2011-08-16 |
| 7853147 | Information processing system, calculation node, and control method of information processing system | Toshiki Tanaka, Hideyuki Miyata, Takao Naito, Kouichiro Amemiya | 2010-12-14 |
| 7764881 | Optical apparatus and optical cross connect apparatus | — | 2010-07-27 |
| 7751708 | Optical switching transmission system with timing correction | — | 2010-07-06 |
| 7720378 | Optical module and optical switch | — | 2010-05-18 |
| 7672585 | Optical switch system | Kyosuke Sone | 2010-03-02 |
| 7512340 | Optical network system | Kyousuke Sone | 2009-03-31 |
| 7483636 | Optical network with sub-band rejection and bypass | Susumu Kinoshita | 2009-01-27 |
| 7462812 | Optical switch apparatus and optical switching system | Yutaka Kai, Eric Gouardes, Yoshiaki Nakano | 2008-12-09 |
| 7447446 | Light source apparatus, and method for switching redundancy of the light source | Hideyuki Miyata, Setsuo Yoshida | 2008-11-04 |
| 7369765 | Optical network with selective mode switching | Susumu Kinoshita, Cechan Tian, Olga Vassilieva | 2008-05-06 |
| 7368700 | Optical switch apparatus and optical switching system | Yutaka Kai, Eric Gouardes, Yoshiaki Nakano | 2008-05-06 |