Inventor · disambiguated record
Tatsushi Hamaguchi
Also filed as: HAMAGUCHI Tatsushi
40 granted patents·21 pending applications·37 citations·filing 2012–2024
96Inventor score
Top patents by PatentIndex Score
61 records- 0196US12034274B2Light emitting elementSONY CORP·Filed 2023·Granted Jul 9, 2024·2 cites·14 claims
- 0294US11489314B2Light-emitting element and method of manufacturing the sameSONY CORP·Filed 2020·Granted Nov 1, 2022·2 cites·18 claims
- 0390US9893492B2Light emitting element and method of manufacturing the sameSONY CORP·Filed 2016·Granted Feb 13, 2018·4 cites·7 claims
- 0489US11031752B2Surface-emitting laser and electronic apparatusSONY CORP·Filed 2017·Granted Jun 8, 2021·5 cites·8 claims
- 0588US12362540B2Light emitting elementSONY CORP·Filed 2024·Granted Jul 15, 2025·0 cites·20 claims
- 0687US11611196B2Light emitting elementSONY CORP·Filed 2017·Granted Mar 21, 2023·3 cites·16 claims
- 0784US12126137B2Light-emitting element and method of manufacturing the sameSONY CORP·Filed 2022·Granted Oct 22, 2024·0 cites·17 claims
- 0884US10873174B2Light-emitting element and method of manufacturing the sameSONY CORP·Filed 2017·Granted Dec 22, 2020·2 cites·18 claims
- 0983US9595810B2Light emitting element having multiple surface areas of a semiconductor layer and method of producing sameSONY CORP·Filed 2014·Granted Mar 14, 2017·5 cites·17 claims
- 1082US9407067B2Light emitting element and method of manufacturing the sameSONY CORP·Filed 2014·Granted Aug 2, 2016·3 cites·13 claims
- 1181US10170667B2Semiconductor optical deviceSONY CORP·Filed 2018·Granted Jan 1, 2019·2 cites·10 claims
- 1278US9917228B2Semiconductor optical deviceSONY CORP·Filed 2015·Granted Mar 13, 2018·2 cites·10 claims
- 1374US10826275B2Surface emitting laser elementSONY CORP·Filed 2017·Granted Nov 3, 2020·1 cites·11 claims
- 1473US9252566B2Method of manufacturing light emitting elementSONY CORP·Filed 2014·Granted Feb 2, 2016·2 cites·6 claims
- 1572US11404849B2Light emitting element to control an oscillation wavelengthSONY CORP·Filed 2020·Granted Aug 2, 2022·0 cites·11 claims
- 1672US11374384B2Light-emitting device and method of manufacturing light-emitting deviceSONY CORP·Filed 2018·Granted Jun 28, 2022·1 cites·13 claims
- 1771US11594859B2Light emitting element and light emitting element arraySONY CORP·Filed 2018·Granted Feb 28, 2023·1 cites·11 claims
- 1870US9425348B2Group III nitride semiconductor device, and method for fabricating group III nitride semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Aug 23, 2016·1 cites·13 claims
- 1969US11081862B2Light emitting element and method of manufacturing the sameSONY CORP·Filed 2019·Granted Aug 3, 2021·0 cites·20 claims
- 2065US2025226639A1Surface emitting laser, surface emitting laser array, and electronic deviceSONY GROUP CORP·Filed 2023·Application pending·0 cites
- 2164US10637209B2Light emitting elementSONY CORP·Filed 2019·Granted Apr 28, 2020·0 cites·14 claims
- 2264US9379523B2Group III nitride semiconductor device, p-type contact structure, and method for fabricating group III nitride semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Jun 28, 2016·1 cites·18 claims
- 2364US2025079798A1Surface emitting device, light source device, and method for manufacturing surface emitting deviceSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 2463US10541513B2Light emitting element and method of manufacturing the sameSONY CORP·Filed 2018·Granted Jan 21, 2020·0 cites·20 claims
- 2563US2025023329A1Surface emitting element and individual authentication deviceSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 2662US10199799B2Light emitting elementSONY CORP·Filed 2018·Granted Feb 5, 2019·0 cites·12 claims
- 2761US10546975B2Semiconductor optical deviceSONY CORP·Filed 2018·Granted Jan 28, 2020·0 cites·13 claims
- 2860US2024120711A1Laser device, laser device array, and method of producing a laser deviceSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 2960US2025210934A1Semiconductor light emitting deviceSONY GROUP CORP·Filed 2023·Application pending·0 cites
- 3060US2024313507A1Vertical cavity surface emitting laser device, vertical cavity surface emitting laser device array, and method of producing a vertical cavity surface emitting laser deviceSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 3160US2024128722A1Vertical cavity surface emitting laser deviceSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 3259US12334706B2Light emitting element, light emitting element array, and method of manufacturing light emitting element arraySONY GROUP CORP·Filed 2020·Granted Jun 17, 2025·0 cites·22 claims
- 3359US2024120709A1Surface emitting element, method for detecting optic characteristic, and method for adjusting optical characteristicSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 3458US2023299560A1Semiconductor-laser elementSONY GROUP CORP·Filed 2021·Application pending·0 cites
- 3557US10700497B2Optical semiconductor deviceSONY CORP·Filed 2018·Granted Jun 30, 2020·0 cites·4 claims
- 3656US9882352B2Light emitting elementSONY CORP·Filed 2015·Granted Jan 30, 2018·0 cites·14 claims
- 3756US2023057446A1Light emitting elementSONY GROUP CORP·Filed 2020·Application pending·0 cites
- 3856US2023352910A1Light emitting element, light emitting element unit, electronic device, light emitting device, sensing device, and communication deviceSONY GROUP CORP·Filed 2021·Application pending·0 cites
- 3955US2023044675A1Light emitting element, method for manufacturing same, and light emitting element arraySONY GROUP CORP·Filed 2020·Application pending·0 cites
- 4055US2024250503A1Semiconductor light-emitting device and method of producing a semiconductor light-emitting deviceSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 4155US2023139279A1Light emitting elementSONY GROUP CORP·Filed 2020·Application pending·0 cites
- 4255US2025239834A1Surface emitting element, light-emitting device, and method of manufacturing surface emitting elementSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 4354US12224558B2Light emitting element and method for manufacturing sameSONY GROUP CORP·Filed 2019·Granted Feb 11, 2025·0 cites·9 claims
- 4454US11979001B2Surface-emitting semiconductor laserSONY CORP·Filed 2019·Granted May 7, 2024·0 cites·15 claims
- 4553US9515455B2Method of manufacturing light emitting elementSONY CORP·Filed 2015·Granted Dec 6, 2016·0 cites·11 claims
- 4652US12088059B2Light emitting elementSONY CORP·Filed 2019·Granted Sep 10, 2024·0 cites·16 claims
- 4751US11309686B2Surface emitting laser and method of manufacturing the sameSONY CORP·Filed 2018·Granted Apr 19, 2022·0 cites·19 claims
- 4851US11011888B2Light-emitting device and light-emitting apparatusSONY CORP·Filed 2018·Granted May 18, 2021·0 cites·15 claims
- 4951US10109984B2Optical semiconductor deviceSONY CORP·Filed 2015·Granted Oct 23, 2018·0 cites·15 claims
- 5050US11411372B2Light emitting element and manufacturing method thereforSONY CORP·Filed 2018·Granted Aug 9, 2022·0 cites·15 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →