Inventor · disambiguated record
Yu-Chang Jian
Also filed as: JIAN YU · JIAN YU-CHANG
4 granted patents·13 citations·filing 2013–2023
66Inventor score
Top patents by PatentIndex Score
4 records- 0180USD997344SBreast pumpGUANGZHOU XINGZHAO TRADING CO LTD·Filed 2023·Granted Aug 29, 2023·12 cites·1 claims
- 0258US12282923B2Real and virtual identity verification circuit, system thereof and electronic transaction methodSAMTON INTERNATIONAL DEVELOPMENT TECH CO LTD·Filed 2021·Granted Apr 22, 2025·0 cites·7 claims
- 0355US11144922B2Electronic transaction methodSAMTON INTERNATIONAL DEVELOPMENT TECH CO LTD·Filed 2016·Granted Oct 12, 2021·1 cites·6 claims
- 0442US11151565B2Identity verification circuit and system thereofSAMTON INTERNATIONAL DEVELOPMENT TECH CO LTD·Filed 2013·Granted Oct 19, 2021·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Yu-Chang Jian 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 →