Inventor · disambiguated record
Chenguang Ma
Also filed as: MA CHENGUANG
5 granted patents·3 pending applications·9 citations·filing 2010–2023
70Inventor score
Files withALIBABA GROUP HOLDING LTD3ADVANCED NEW TECHNOLOGIES CO LTD1ADVANCED TECH CO LTD1ALIPAY HANGZHOU INF TECH CO LTD1MA CHENGUANG1
Top patents by PatentIndex Score
8 records- 0180US10671870B2Determining user authenticity with face liveness detectionALIBABA GROUP HOLDING LTD·Filed 2018·Granted Jun 2, 2020·4 cites·20 claims
- 0278US11205071B2Image acquisition method, apparatus, system, and electronic deviceADVANCED TECH CO LTD·Filed 2020·Granted Dec 21, 2021·2 cites·11 claims
- 0373US8866972B1Method for transmitting spectrum informationUNIV TSINGHUA·Filed 2014·Granted Oct 21, 2014·3 cites·8 claims
- 0459US2020160040A1Three-dimensional living-body face detection method, face authentication recognition method, and apparatusesALIBABA GROUP HOLDING LTD·Filed 2020·Application pending·0 cites
- 0555US11244158B2Image acquisition method, apparatus, system, and electronic deviceADVANCED NEW TECHNOLOGIES CO LTD·Filed 2019·Granted Feb 8, 2022·0 cites·13 claims
- 0654US2020019760A1Three-dimensional living-body face detection method, face authentication recognition method, and apparatusesALIBABA GROUP HOLDING LTD·Filed 2019·Application pending·0 cites
- 0751US2025278919A1Segmentation model training method and apparatus and image recognition method and apparatusALIPAY HANGZHOU INF TECH CO LTD·Filed 2023·Application pending·0 cites
- 0824US9001127B2Method and device for processing vector graphicsMA CHENGUANG·Filed 2010·Granted Apr 7, 2015·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Chenguang Ma files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →