Inventor
LI CHANG
CN34 patents
⚠️ This page may combine multiple inventors who share the name “LI CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PALO ALTO NETWORKS INC
7 patentsUS9762610B1Sep 12, 2017
Latency-based policy activation
PALO ALTO NETWORKS INC37 citations94
US11050789B2Jun 29, 2021
Location based security in service provider networks
PALO ALTO NETWORKS INC4 citations73
US10721272B2Jul 21, 2020
Mobile equipment identity and/or IOT equipment identity and application identity based security enforcement in service provider networks
PALO ALTO NETWORKS INC4 citations73
US10135864B2Nov 20, 2018
Latency-based policy activation
PALO ALTO NETWORKS INC3 citations73
US11838326B2Dec 5, 2023
Mobile equipment identity and/or IoT equipment identity and application identity based security enforcement in service provider networks
PALO ALTO NETWORKS INC0 citations62
US11805153B2Oct 31, 2023
Location based security in service provider networks
PALO ALTO NETWORKS INC0 citations62
US11323483B2May 3, 2022
Mobile equipment identity and/or IOT equipment identity and application identity based security enforcement in service provider networks
PALO ALTO NETWORKS INC0 citations62
LASER INST OF SHANDONG ACADEMY OF SCIENCE
6 patentsUS11231299B2Jan 25, 2022
High-performance distributed fiber sensing system based on EHz ultrafast pulse scanning
LASER INST OF SHANDONG ACADEMY OF SCIENCE1 citations58
US12442700B2Oct 14, 2025
Multi-wavelength laser for synchronously monitoring temperature and pressure of ocean
LASER INST OF SHANDONG ACADEMY OF SCIENCE0 citations49
US11248952B2Feb 15, 2022
Fiber distributed acoustic sensing system
LASER INST OF SHANDONG ACADEMY OF SCIENCE0 citations49
US11054302B2Jul 6, 2021
Event positioning method, device and application in distributed fiber vibration monitoring system
LASER INST OF SHANDONG ACADEMY OF SCIENCE0 citations49
US11480450B2Oct 25, 2022
EHz ultrafast modulated pulse scanning laser and distributed fiber sensing system
LASER INST OF SHANDONG ACADEMY OF SCIENCE0 citations48
US10145726B2Dec 4, 2018
Fiber optic acoustic wave detection system
LASER INST OF SHANDONG ACADEMY OF SCIENCE1 citations48
SNAP INC
4 patentsUS11012390B1May 18, 2021
Media content response in a messaging system
SNAP INC222 citations99
US11394676B2Jul 19, 2022
Media content response in a messaging system
SNAP INC5 citations73
US11568446B1Jan 31, 2023
Media preview system
SNAP INC4 citations70
US12387241B2Aug 12, 2025
Media preview system
SNAP INC0 citations58