Inventor · disambiguated record
Changqing Chen
Also filed as: CHEN CHANGQING
2 granted patents·2 pending applications·1 citations·filing 2014–2025
31Inventor score
Files withGLOBALFOUNDRIES SG PTE LTD2ROCKWELL AUTOMATION TECH INC1XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD1
Top patents by PatentIndex Score
4 records- 0162US11035899B2System for detection of passive voltage contrastGLOBALFOUNDRIES SG PTE LTD·Filed 2019·Granted Jun 15, 2021·1 cites·17 claims
- 0259US2025293512A1System and method for pre-charge protection circuitROCKWELL AUTOMATION TECH INC·Filed 2025·Application pending·0 cites
- 0352US2014116494A1High-Efficiency Four-Junction Solar Cells and Fabrication Methods ThereofXIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD·Filed 2014·Application pending·0 cites
- 0446US11404240B2Inspection devices and methods of inspecting a sampleGLOBALFOUNDRIES SG PTE LTD·Filed 2020·Granted Aug 2, 2022·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →