Learn more

CHANG JUNJIE

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    135,466
  • Filing trend
    ⇩ 33.0%
About

CHANG JUNJIE has a total of 13 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2015. It filed its patents most often in China and United Kingdom. Its main competitors in its focus markets computer technology, environmental technology and telecommunications are MIRAMETRIX INC, SR LABS S R L and SUZHOU MXR SOFTWARE TECH CO LTD.

Patent filings in countries

World map showing CHANG JUNJIEs patent filings in countries
# Country Total Patents
#1 China 12
#2 United Kingdom 1

Patent filings per year

Chart showing CHANG JUNJIEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Junjie 8
#2 Chang Dunjie 1
#3 Zhang Lan 1
#4 The Inventor Has Waived The Right To Be Cited 1

Latest patents

Publication Filing date Title
CN111988551A Wireless notification system for biological existence direction
CN111474895A Welding machine automatic control system using block chain
CN111814524A Self-adaptive big data analysis platform
CN112034966A Desktop computer field safety protection method
CN112034967A On-spot safety protection system of desktop computer
CN108726590A Water body purification control method
CN108298607A Water body purification control system
CN107102065A The ultrasonic wave detecting system of one kind of multiple coupled modes
CN107095694A A kind of bowl-shape flexible 3 D array ultrasonic probe
CN106880629A A kind of pharmaceutical composition of reducing blood lipid
CN105956153A Search platform for retrieving music files from Internet