Inventor · disambiguated record
Nobuaki Hatori
Also filed as: HATORI NOBUAKI
27 granted patents·3 pending applications·162 citations·filing 2001–2023
95Inventor score
Files withFUJITSU LTD23HATORI NOBUAKI5FUJITSU OPTICAL COMPONENTS LTD1NAT INST OF ADVANCED IND SCIEN1
Top patents by PatentIndex Score
30 records- 0195US9195001B2Spot size converter, optical transmitter, optical receiver, optical transceiver, and method of manufacturing spot size converterFUJITSU LTD·Filed 2012·Granted Nov 24, 2015·29 cites·11 claims
- 0295US9128240B2Spot-size converter, manufacturing method thereof, and integrated optical circuit deviceFUJITSU LTD·Filed 2014·Granted Sep 8, 2015·25 cites·12 claims
- 0392US7522647B2Semiconductor laser and method of fabricating the sameFUJITSU LTD·Filed 2006·Granted Apr 21, 2009·28 cites·17 claims
- 0491US9151894B2Light source circuit and light source device equipped with sameNAT INST OF ADVANCED IND SCIEN·Filed 2013·Granted Oct 6, 2015·14 cites·30 claims
- 0590US9904011B2Optical waveguide, optical interposer and light sourceFUJITSU LTD·Filed 2014·Granted Feb 27, 2018·12 cites·20 claims
- 0686US8906721B2Semiconductor light emitting device and method for manufacturing the sameFUJITSU LTD·Filed 2013·Granted Dec 9, 2014·4 cites·3 claims
- 0782US7738523B2Optical semiconductor device having diffraction gratingFUJITSU LTD·Filed 2007·Granted Jun 15, 2010·7 cites·19 claims
- 0881US9964704B2Spot size converter, light source, optical transmitter, optical receiver and optical transmitter-receiverFUJITSU LTD·Filed 2014·Granted May 8, 2018·5 cites·10 claims
- 0980US9612411B2Semiconductor optical waveguide device with an anti-reflection diffraction grating formed on both lateral sides of a core layer along a direction of optical propagationFUJITSU LTD·Filed 2015·Granted Apr 4, 2017·3 cites·8 claims
- 1077US7835418B2Optical semiconductor device having diffraction grating disposed on both sides of waveguide and its manufacture methodFUJITSU LTD·Filed 2007·Granted Nov 16, 2010·4 cites·10 claims
- 1176US8232125B2Optical semiconductor device having active layer of p-type quantum dot structure and its manufacture methodHATORI NOBUAKI·Filed 2009·Granted Jul 31, 2012·4 cites·7 claims
- 1274US10958036B2Semiconductor light-emitting device and optical deviceFUJITSU LTD·Filed 2018·Granted Mar 23, 2021·1 cites·8 claims
- 1374US9297956B2Optical device, optical transmitter, optical receiver, optical transceiver, and method of manufacturing optical deviceFUJITSU LTD·Filed 2013·Granted Mar 29, 2016·3 cites·12 claims
- 1472US8483252B2Semiconductor light emitting device and fabrication method for semiconductor light emitting deviceHATORI NOBUAKI·Filed 2008·Granted Jul 9, 2013·4 cites·8 claims
- 1570US8891578B2Optical semiconductor device having diffraction grating disposed on both sides of waveguide and its manufacture methodHATORI NOBUAKI·Filed 2010·Granted Nov 18, 2014·2 cites·4 claims
- 1669US11177623B2Optical device and method of manufacturing the sameFUJITSU LTD·Filed 2019·Granted Nov 16, 2021·1 cites·14 claims
- 1768US9871347B2Semiconductor light emitting device and optical transceiverFUJITSU LTD·Filed 2016·Granted Jan 16, 2018·1 cites·13 claims
- 1867US7573060B2Optical semiconductor device having active layer of p-type quantum dot structure and its manufacture methodFUJITSU LTD·Filed 2007·Granted Aug 11, 2009·2 cites·6 claims
- 1965US2023378716A1Optical semiconductor deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2023·Application pending·0 cites
- 2064US9429706B2Optical waveguide coupler and method for manufacturing sameFUJITSU LTD·Filed 2015·Granted Aug 30, 2016·1 cites·12 claims
- 2164US6628691B2Laser diodeFUJITSU LTD·Filed 2001·Granted Sep 30, 2003·10 cites·10 claims
- 2262US8304757B2Semiconductor light-emitting device, optical module, transmitter, and optical communication systemHATORI NOBUAKI·Filed 2010·Granted Nov 6, 2012·1 cites·20 claims
- 2359US8802468B2Semiconductor light emitting device and fabrication method for semiconductor light emitting deviceFUJITSU LTD·Filed 2013·Granted Aug 12, 2014·0 cites·8 claims
- 2453US2009086785A1Semiconductor light emitting device and method for manufacturing the sameFUJITSU LTD·Filed 2008·Application pending·0 cites
- 2548US9130352B2Optical semiconductor device, light emitting device, optical transmitting device, and method of manufacturing optical semiconductor deviceFUJITSU LTD·Filed 2013·Granted Sep 8, 2015·0 cites·15 claims
- 2648US6867057B2Method of manufacturing a semiconductor laserFUJITSU LTD·Filed 2003·Granted Mar 15, 2005·1 cites·14 claims
- 2747US9235000B2Optical semiconductor apparatusFUJITSU LTD·Filed 2014·Granted Jan 12, 2016·0 cites·12 claims
- 2845US8729526B2Optical semiconductor device and method of manufacturing optical semiconductor deviceHATORI NOBUAKI·Filed 2010·Granted May 20, 2014·0 cites·15 claims
- 2945US2008042122A1Semiconductor light emitting element, method of manufacturing the same and semiconductor light emitting deviceFUJITSU LTD·Filed 2007·Application pending·0 cites
- 3042US7081983B2Wavelength conversion deviceFUJITSU LTD·Filed 2004·Granted Jul 25, 2006·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →