Inventor · disambiguated record
Chang Li
Also filed as: LI CHANG · LI CHANG-HAN
11 granted patents·1 pending application·4 citations·filing 2017–2024
79Inventor score
Files withLASER INST OF SHANDONG ACADEMY OF SCIENCE6LASER INST OF SHANDONG ACADEMY OF SCIENCES2SIGMASTAR TECHNOLOGY LTD2BEIJING BAIDU NETCOM SCI & TECH CO LTD1XIAN LYNCON TECH CO LTD1
Top patents by PatentIndex Score
12 records- 0172US12470121B2Fail-safe input/output device and voltage switching methodSIGMASTAR TECHNOLOGY LTD·Filed 2023·Granted Nov 11, 2025·0 cites·10 claims
- 0272US10697853B2Optical fiber distributed monitoring system and methodLASER INST OF SHANDONG ACADEMY OF SCIENCES·Filed 2018·Granted Jun 30, 2020·2 cites·16 claims
- 0368US11231299B2High-performance distributed fiber sensing system based on EHz ultrafast pulse scanningLASER INST OF SHANDONG ACADEMY OF SCIENCE·Filed 2019·Granted Jan 25, 2022·1 cites·8 claims
- 0467US10145726B2Fiber optic acoustic wave detection systemLASER INST OF SHANDONG ACADEMY OF SCIENCE·Filed 2017·Granted Dec 4, 2018·1 cites·10 claims
- 0555US2025117602A1Large model-based recommendation method, electronic device and storage mediumBEIJING BAIDU NETCOM SCI & TECH CO LTD·Filed 2024·Application pending·0 cites
- 0651US12442700B2Multi-wavelength laser for synchronously monitoring temperature and pressure of oceanLASER INST OF SHANDONG ACADEMY OF SCIENCE·Filed 2020·Granted Oct 14, 2025·0 cites·6 claims
- 0751US11054302B2Event positioning method, device and application in distributed fiber vibration monitoring systemLASER INST OF SHANDONG ACADEMY OF SCIENCE·Filed 2019·Granted Jul 6, 2021·0 cites·7 claims
- 0848US11248952B2Fiber distributed acoustic sensing systemLASER INST OF SHANDONG ACADEMY OF SCIENCE·Filed 2019·Granted Feb 15, 2022·0 cites·9 claims
- 0946US12460964B2Distributed acoustic sensing voice message recognition system and methodLASER INST OF SHANDONG ACADEMY OF SCIENCES·Filed 2023·Granted Nov 4, 2025·0 cites·9 claims
- 1044US11480450B2EHz ultrafast modulated pulse scanning laser and distributed fiber sensing systemLASER INST OF SHANDONG ACADEMY OF SCIENCE·Filed 2019·Granted Oct 25, 2022·0 cites·8 claims
- 1141US12009814B2Level shifter with low propagation delaySIGMASTAR TECHNOLOGY LTD·Filed 2022·Granted Jun 11, 2024·0 cites·8 claims
- 1234US12019517B2Method for remote upgrade and rollback of unmanned aerial vehicle (UAV) softwareXIAN LYNCON TECH CO LTD·Filed 2021·Granted Jun 25, 2024·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Chang Li 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 →