Assignee
TAKEYAMA TOMOAKI
JP·6 granted patents·1 pending application·10 citations·filing 2008–2012
Top patents by PatentIndex Score
7 records- 0178US8553318B2Optical amplifying device, gain control method, optical transmission device, and gain control deviceTAKEYAMA TOMOAKI·Filed 2011·Granted Oct 8, 2013·4 cites·14 claims
- 0270US8116626B2Optical transmission apparatus and optical attenuation amount control methodTAKEYAMA TOMOAKI·Filed 2009·Granted Feb 14, 2012·4 cites·8 claims
- 0369US8390923B2Optical amplifier and optical amplification methodTAKEYAMA TOMOAKI·Filed 2010·Granted Mar 5, 2013·2 cites·19 claims
- 0449US8922876B2Optical amplifying device and optical transmission systemTAKEYAMA TOMOAKI·Filed 2012·Granted Dec 30, 2014·0 cites·14 claims
- 0547US8077383B2Optical amplifierTAKEYAMA TOMOAKI·Filed 2008·Granted Dec 13, 2011·0 cites·16 claims
- 0642US8498045B2Optical amplifierTAKEYAMA TOMOAKI·Filed 2010·Granted Jul 30, 2013·0 cites·9 claims
- 0737US2012045212A1Optical amplification device, communication system, and amplification methodTAKEYAMA TOMOAKI·Filed 2011·Application pending·0 cites
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