Inventor · disambiguated record
Chungying Chang
Also filed as: CHANG CHUNGYING
0 granted patents·6 pending applications·0 citations·filing 2022–2024
Top patents by PatentIndex Score
6 records- 0161US2025151470A1Light-emitting diode and light-emitting deviceQUANZHOU SANAN SEMICONDUCTOR TECH CO LTD·Filed 2024·Application pending·0 cites
- 0257US2024088335A1Light-emitting device and light-emitting elementQUANZHOU SANAN SEMICONDUCTOR TECH CO LTD·Filed 2023·Application pending·0 cites
- 0355US2025212560A1Semiconductor epitaxial structure and preparation method thereof, and light-emitting diodeXIAMEN SANAN OPTOELECTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 0454US2023317879A1Ultraviolet light-emitting deviceXIAMEN SANAN OPTOELECTRONICS CO LTD·Filed 2022·Application pending·0 cites
- 0551US2025087594A1Light-emitting diode chip and light-emitting deviceXIAMEN SANAN OPTOELECTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 0646US2023014850A1Flip-chip light-emitting diode and semiconductor light-emitting deviceXIAMEN SANAN OPTOELECTRONICS CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →