Inventor
WU ANJIAN
US12 patents
⚠️ This page may combine multiple inventors who share the name “WU ANJIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FITBIT INC
11 patentsUS10568525B1Feb 25, 2020
Multi-wavelength pulse oximetry
FITBIT INC49 citations97
US9693711B2Jul 4, 2017
User identification via motion and heartbeat waveform data
FITBIT INC26 citations94
US10503268B2Dec 10, 2019
User identification via motion and heartbeat waveform data
FITBIT INC9 citations84
US10126830B2Nov 13, 2018
User identification via motion and heartbeat waveform data
FITBIT INC7 citations84
US9851808B2Dec 26, 2017
User identification via motion and heartbeat waveform data
FITBIT INC9 citations84
US9730644B1Aug 15, 2017
Circuits and methods for selecting a mode of operation of a photoplethysmographic sensor
FITBIT INC7 citations84
US10942579B2Mar 9, 2021
User identification via motion and heartbeat waveform data
FITBIT INC2 citations73
US10874345B2Dec 29, 2020
Automated detection of breathing disturbances
FITBIT INC2 citations71
US11317816B1May 3, 2022
Multi-wavelength pulse oximetry
FITBIT INC0 citations62
US11678838B2Jun 20, 2023
Automated detection of breathing disturbances
FITBIT INC0 citations60
US10219711B2Mar 5, 2019
Circuits and methods for photoplethysmographic sensors
FITBIT INC0 citations41