Inventor · disambiguated record
Van-Truong Dai
Also filed as: DAI VAN-TRUONG
6 granted patents·7 pending applications·1 citations·filing 2019–2025
65Inventor score
Files withVISUAL PHOTONICS EPITAXY CO LTD13
Top patents by PatentIndex Score
13 records- 0174US11862938B2Semiconductor laser diodeVISUAL PHOTONICS EPITAXY CO LTD·Filed 2020·Granted Jan 2, 2024·1 cites·18 claims
- 0263US2025055257A1Vertical cavity surface emitting laser diode (vcsel) with current confinement layer with phosphorus contentVISUAL PHOTONICS EPITAXY CO LTD·Filed 2024·Application pending·0 cites
- 0362US2024030685A1Semiconductor laser diodeVISUAL PHOTONICS EPITAXY CO LTD·Filed 2023·Application pending·0 cites
- 0460US2025174966A1Vertical cavity surface emitting laser diode (vcsel) with tunnel junctionVISUAL PHOTONICS EPITAXY CO LTD·Filed 2025·Application pending·0 cites
- 0558US2023396040A1Semiconductor laser epitaxial structureVISUAL PHOTONICS EPITAXY CO LTD·Filed 2023·Application pending·0 cites
- 0657US2023307889A1Vertical cavity surface-emitting laser epitaxial structure having a current spreading layerVISUAL PHOTONICS EPITAXY CO LTD·Filed 2023·Application pending·0 cites
- 0756US12316076B2Vertical cavity surface emitting laser diode (VCSEL) with tunnel junctionVISUAL PHOTONICS EPITAXY CO LTD·Filed 2020·Granted May 27, 2025·0 cites·7 claims
- 0855US11799011B2Semiconductor epitaxial waferVISUAL PHOTONICS EPITAXY CO LTD·Filed 2022·Granted Oct 24, 2023·0 cites·11 claims
- 0953US11721954B2Vertical cavity surface emitting laser diode (VCSEL) having AlGaAsP layer with compressive strainVISUAL PHOTONICS EPITAXY CO LTD·Filed 2020·Granted Aug 8, 2023·0 cites·19 claims
- 1052US11482830B2Measurement method of reflection spectrum of vertical cavity surface emitting laser diode (VCSEL) and epitaxial wafer test fixtureVISUAL PHOTONICS EPITAXY CO LTD·Filed 2020·Granted Oct 25, 2022·0 cites·15 claims
- 1150US2021091537A1High-power vertical cavity surface emitting laser diode (vcsel)VISUAL PHOTONICS EPITAXY CO LTD·Filed 2020·Application pending·0 cites
- 1250US2020403379A1Vertical cavity surface emitting laser diode (vcsel) with multiple current confinement layersVISUAL PHOTONICS EPITAXY CO LTD·Filed 2020·Application pending·0 cites
- 1349US11158995B2Laser diode with defect blocking layerVISUAL PHOTONICS EPITAXY CO LTD·Filed 2019·Granted Oct 26, 2021·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →