Inventor · disambiguated record
Xiaofu Ma
Also filed as: Ma Xiaofu
3 granted patents·9 citations·filing 2020–2022
63Inventor score
Files withAMAZON TECH INC3
Top patents by PatentIndex Score
3 records- 0190US12279190B1Respiration monitoring based on noisy channel state information (CSI) dataAMAZON TECH INC·Filed 2022·Granted Apr 15, 2025·2 cites·20 claims
- 0286US11070945B1Proximity detection using device-to-device communication linksAMAZON TECH INC·Filed 2020·Granted Jul 20, 2021·4 cites·20 claims
- 0385US11510028B1Proximity detection using device-to-device communication linksAMAZON TECH INC·Filed 2021·Granted Nov 22, 2022·3 cites·20 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →