Inventor · disambiguated record
Changwei Song
Also filed as: SONG CHANGWEI
3 granted patents·3 pending applications·5 citations·filing 2017–2023
54Inventor score
Files withHUAIAN AUCKSUN OPTOELECTRONICS TECH CO LTD3XIAMEN SANAN OPTOELECTRONICS CO LTD2XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD1
Top patents by PatentIndex Score
6 records- 0189US11189751B2Multi-quantum well structure and LED device including the sameXIAMEN SANAN OPTOELECTRONICS CO LTD·Filed 2019·Granted Nov 30, 2021·5 cites·20 claims
- 0257US12328973B2Multi-quantum well structure and LED device including the sameXIAMEN SANAN OPTOELECTRONICS CO LTD·Filed 2021·Granted Jun 10, 2025·0 cites·18 claims
- 0352US2024297271A1Light Emitting Diode Epitaxial Structure and Light Emitting DiodeHUAIAN AUCKSUN OPTOELECTRONICS TECH CO LTD·Filed 2023·Application pending·0 cites
- 0449US2023335679A1Light-emitting diode and semiconductor deviceHUAIAN AUCKSUN OPTOELECTRONICS TECH CO LTD·Filed 2023·Application pending·0 cites
- 0547US2025160062A1Light-emitting diode epitaxial structure and light-emitting diodeHUAIAN AUCKSUN OPTOELECTRONICS TECH CO LTD·Filed 2022·Application pending·0 cites
- 0645US9929308B2Nitride light emitting diode and fabrication method thereofXIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD·Filed 2017·Granted Mar 27, 2018·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →