Inventor · disambiguated record
Changzheng Sun
Also filed as: SUN CHANGZHENG
4 granted patents·1 pending application·40 citations·filing 2011–2024
68Inventor score
Files withLIAO JASON Y2CHENGDU FUSHUNQI ENERGY SAVING AND ENVIRONMENTAL PROTECTION TECH CO LTD1UNIV TAIYUAN TECHNOLOGY1WESTVALLEY DIGITAL TECH INC1
Top patents by PatentIndex Score
5 records- 0192US9405942B2Application system having an active RFID tag, a coordinator, and a reader/writer transmitting an action instruction index to the active RFID tag, and method thereofWESTVALLEY DIGITAL TECH INC·Filed 2015·Granted Aug 2, 2016·38 cites·9 claims
- 0257US8242958B2System and method for positioning using signal transmit power and signal receive packet error ratioLIAO JASON Y·Filed 2011·Granted Aug 14, 2012·2 cites·16 claims
- 0355US12098035B1Braking deviceUNIV TAIYUAN TECHNOLOGY·Filed 2024·Granted Sep 24, 2024·0 cites·7 claims
- 0449US2023191428A1Fixed Cylinder CentrifugeCHENGDU FUSHUNQI ENERGY SAVING AND ENVIRONMENTAL PROTECTION TECH CO LTD·Filed 2021·Application pending·0 cites
- 0542US9070061B2Method and system for applying an active radio frequency identification (RFID) tag having a first filter to exclude invalid signals and a second filter to perform a validity judgmentLIAO JASON Y·Filed 2012·Granted Jun 30, 2015·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Changzheng Sun 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 →