Inventor · disambiguated record
Akinori Hayakawa
Also filed as: HAYAKAWA AKINORI
16 granted patents·1 pending application·149 citations·filing 2003–2017
92Inventor score
Top patents by PatentIndex Score
17 records- 0197US9348154B2Optical resonator apparatus, optical transmitter and controlling method for optical resonatorFUJITSU LTD·Filed 2014·Granted May 24, 2016·61 cites·20 claims
- 0292US7112827B2Tunable wavelength laserFUJITSU LTD·Filed 2003·Granted Sep 26, 2006·46 cites·35 claims
- 0390US9606417B2Optical modulation apparatus, optical transmitter and controlling method for optical modulatorFUJITSU LTD·Filed 2014·Granted Mar 28, 2017·6 cites·12 claims
- 0488US7983318B2Optical semiconductor deviceFUJITSU LTD·Filed 2009·Granted Jul 19, 2011·11 cites·15 claims
- 0584US9235001B2Optical device and optical moduleFUJITSU LTD·Filed 2015·Granted Jan 12, 2016·5 cites·7 claims
- 0681US8666200B2Optical modulation device, driving method of optical modulation device, and manufacturing method of optical modulation deviceFUJITSU LTD·Filed 2012·Granted Mar 4, 2014·3 cites·20 claims
- 0778US9979489B2Optical modulation apparatus, optical transmitter and controlling method for optical modulatorFUJITSU LTD·Filed 2017·Granted May 22, 2018·1 cites·7 claims
- 0878US8818142B2Optical semiconductor deviceHAYAKAWA AKINORI·Filed 2012·Granted Aug 26, 2014·3 cites·10 claims
- 0975US10151877B2Optical circuit module, optical transceiver using the same, and semiconductor photonic deviceFUJITSU LTD·Filed 2017·Granted Dec 11, 2018·2 cites·14 claims
- 1074US9874709B2Optical functional device, optical receiving apparatus and optical transmission apparatusFUJITSU LTD·Filed 2015·Granted Jan 23, 2018·2 cites·12 claims
- 1172US8401352B2Optical waveguide device, its manufacture method, laser module and optical transmission systemHAYAKAWA AKINORI·Filed 2010·Granted Mar 19, 2013·3 cites·10 claims
- 1271US7633984B2Optical semiconductor device and driving method thereofFUJITSU LTD·Filed 2005·Granted Dec 15, 2009·3 cites·13 claims
- 1368US8891159B2Optical semiconductor element, semiconductor laser, and method of manufacturing optical semiconductor elementHAYAKAWA AKINORI·Filed 2012·Granted Nov 18, 2014·2 cites·8 claims
- 1463US8654803B2Light emitting device and method of controlling light emitting deviceFUJITSU LTD·Filed 2012·Granted Feb 18, 2014·1 cites·18 claims
- 1554US8073033B2Optical semiconductor device and driving method thereofHAYAKAWA AKINORI·Filed 2009·Granted Dec 6, 2011·0 cites·4 claims
- 1642US9225147B2Optical semiconductor device and method of manufacturing the sameFUJITSU LTD·Filed 2013·Granted Dec 29, 2015·0 cites·25 claims
- 1741US2005286582A1Photosemiconductor deviceFUJITSU LTD·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →