Inventor · disambiguated record
Yufei Cao
Also filed as: CAO YUFEI
1 granted patent·2 pending applications·0 citations·filing 2022–2023
3Inventor score
Technology areasH10H
Top patents by PatentIndex Score
3 records- 0154US2024395851A1Chip of led and manufacturing method thereofFOCUS LIGHTINGS TECH SUQIAN CO LTD·Filed 2023·Application pending·0 cites
- 0243US12484338B2Chip fabrication process for improving LED chip light extraction efficiency with isolation groove and LED chip thereofFOCUS LIGHTINGS TECH CO LTD·Filed 2022·Granted Nov 25, 2025·0 cites·15 claims
- 0340US2024222546A1Manufacturing method for high-voltage led chipFOCUS LIGHTINGS TECH CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →