Learn more

CHONGQING GUOHAN ENERGY DEV CO LTD

Overview
  • Total Patents
    75
  • GoodIP Patent Rank
    19,325
  • Filing trend
    ⇧ 160.0%
About

CHONGQING GUOHAN ENERGY DEV CO LTD has a total of 75 patent applications. It increased the IP activity by 160.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, transport and digital networks are SUZHOU QC TECH CO LTD, CANRONG HUANG and EVERGRANDE SMART CHARGE TECH CO LTD.

Patent filings in countries

World map showing CHONGQING GUOHAN ENERGY DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 75

Patent filings per year

Chart showing CHONGQING GUOHAN ENERGY DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Chonghan 75
#2 Li Jie 52
#3 Zhao Yang 16
#4 Wang Jingzhen 12
#5 Fan Hao 10
#6 Tang Zhao 10
#7 Gao Yi 6
#8 Yao Qing 5
#9 Zhu Liang 5
#10 Yang Chuguo 4

Latest patents

Publication Filing date Title
CN111251935A Charging pile authorization method
CN111231725A Cloud server-based high-power charging pile control system and method
CN111204248A Charging method of charging pile based on charging record, charging pile and server
CN111152681A Charging pile based on electric automobile charging cluster and server
CN111225066A System and method for cloud detection of human body temperature
CN111228547A Device integrating infrared temperature measurement and disinfection
CN111231705A Wireless charging device for parking space
CN111337764A Charging pile fault diagnosis system and method and storage medium
CN111401687A Power module fault diagnosis method, device, equipment and storage medium
CN111162585A Charging pile capable of compensating charging power and charging method
CN111071095A Charging pile interconnection system
CN111275321A Charging pile state analysis system and method
CN111137165A Charging pushing system and method based on charging power
CN111192410A Charging pile operation method and system and cloud server
CN111152680A Fault monitoring system for charging pile
CN111274479A Information recommendation method and system based on user classification and cloud server
CN111275315A Charging pile maintenance scheduling method and system
CN111243186A Dual charging system and method for charging pile
CN111210573A Charging pile background management system
CN111016727A Charging and billing method and system for non-vehicle-mounted vehicle direct current charger