Inventor · disambiguated record
Zhicheng Dai
Also filed as: DAI ZHICHENG
7 granted patents·2 pending applications·2 citations·filing 2018–2025
69Inventor score
Top patents by PatentIndex Score
9 records- 0162US10884112B2Fingerprint positioning method and system in smart classroomUNIV CENTRAL CHINA NORMAL·Filed 2018·Granted Jan 5, 2021·2 cites·4 claims
- 0261US2025272050A1Audio Playing System and Method, and Electronic DeviceHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 0359US12036021B2Non-contact fatigue detection system and method based on RPPGUNIV CENTRAL CHINA NORMAL·Filed 2023·Granted Jul 16, 2024·0 cites·16 claims
- 0456US11967175B2Facial expression recognition method and system combined with attention mechanismUNIV CENTRAL CHINA NORMAL·Filed 2023·Granted Apr 23, 2024·0 cites·6 claims
- 0552US12310718B2Millimeter-wave (mmWave) radar-based non-contact identity recognition method and systemUNIV CENTRAL CHINA NORMAL·Filed 2021·Granted May 27, 2025·0 cites·7 claims
- 0650US12478318B2Non-contact fatigue detection method and systemUNIV CENTRAL CHINA NORMAL·Filed 2021·Granted Nov 25, 2025·0 cites·8 claims
- 0750US10916158B2Classroom teaching cognitive load measurement systemUNIV CENTRAL CHINA NORMAL·Filed 2019·Granted Feb 9, 2021·0 cites·16 claims
- 0845US2024220313A1Application Keepalive Method, Electronic Device, and Storage MediumHUAWEI TECH CO LTD·Filed 2022·Application pending·0 cites
- 0938US12254692B2Construction method and system of descriptive model of classroom teaching behavior eventsUNIV CENTRAL CHINA NORMAL·Filed 2021·Granted Mar 18, 2025·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Zhicheng Dai 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 →