Assignee
AKIYAMA YUICHI
JP·10 granted patents·165 citations·filing 2008–2012
Top patents by PatentIndex Score
10 records- 0197US8472810B2Optical signal transmitter and method for controlling polarization multiplexed optical signalAKIYAMA YUICHI·Filed 2010·Granted Jun 25, 2013·68 cites·11 claims
- 0295US8879925B2Optical transmitter and optical transmission methodAKIYAMA YUICHI·Filed 2011·Granted Nov 4, 2014·22 cites·9 claims
- 0394US8582981B2Optical transmitter and control method thereforAKIYAMA YUICHI·Filed 2008·Granted Nov 12, 2013·28 cites·13 claims
- 0492US8457503B2Optical transmitter apparatusAKIYAMA YUICHI·Filed 2011·Granted Jun 4, 2013·12 cites·2 claims
- 0591US8867927B2Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising themAKIYAMA YUICHI·Filed 2010·Granted Oct 21, 2014·7 cites·12 claims
- 0685US8131152B2Optical add/drop multiplexerAKIYAMA YUICHI·Filed 2010·Granted Mar 6, 2012·5 cites·19 claims
- 0783US9014572B2Optical transmitter, control method for the same, and optical transmission systemAKIYAMA YUICHI·Filed 2012·Granted Apr 21, 2015·6 cites·19 claims
- 0883US8145072B2DQPSK optical receiverAKIYAMA YUICHI·Filed 2008·Granted Mar 27, 2012·8 cites·3 claims
- 0979US8121492B2Optical transmitting apparatusAKIYAMA YUICHI·Filed 2008·Granted Feb 21, 2012·7 cites·10 claims
- 1069US8285152B2DQPSK optical receiverAKIYAMA YUICHI·Filed 2012·Granted Oct 9, 2012·2 cites·12 claims
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