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HANGZHOU CHANGCHUAN TECH CO LTD

Overview
  • Total Patents
    77
  • GoodIP Patent Rank
    18,767
  • Filing trend
    ⇧ 15.0%
About

HANGZHOU CHANGCHUAN TECH CO LTD has a total of 77 patent applications. It increased the IP activity by 15.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets measurement, packaging and shipping and semiconductors are SHENZHEN MICROTEST AUTOMATION CO LTD, SUZHOU TRACEABILITY STANDARD CERTIFICATION & INSPECTION CO LTD and SUZHOU HYC TECH CO LTD.

Patent filings in countries

World map showing HANGZHOU CHANGCHUAN TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 77

Patent filings per year

Chart showing HANGZHOU CHANGCHUAN TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhong Fenghao 18
#2 Jiang Chuanli 16
#3 Yao Jianqiang 15
#4 Guo Jianfei 14
#5 Bao Junqi 12
#6 Liu Zhizhen 12
#7 Zhao Yi 12
#8 Han Xiao 11
#9 Weng Shuicai 10
#10 Zhang Xin 8

Latest patents

Publication Filing date Title
CN112260814A Data phase correction method for high-speed serial communication, electronic device, and storage medium
CN112100097A Multi-test channel priority adaptive arbitration method and memory access controller
CN112103221A Wafer testing method, wafer testing machine, electronic device and storage medium
CN112218492A Circuit board cooling device
CN112234812A Bleeder circuit, energy storage circuit, semiconductor test system and bleeder method
CN111934530A Multi-power supply management system of integrated circuit tester
CN112114246A Adjustable power supply of integrated circuit test board and integrated circuit test board
CN112213618A Probe station focusing method, probe station focusing device, computer equipment and storage medium
CN112213619A Probe station focusing method, probe station focusing device, computer equipment and storage medium
CN112197797A Automatic sealing device for electronic element test
CN112238057A Multi-station detection device
CN112193813A Chip sorting device
CN112193814A Chip sorting device
CN112207053A Material state detection mechanism, detection device and detection method
CN111913522A Digital test circuit and digital integrated circuit test system of multi-clock domain
CN111924521A Pick-and-place mechanism and sorting device with same
CN111856084A Locking mechanism and testing device with same
CN111769540A Current equalizing circuit, power module and integrated circuit test system of parallel power supply
CN111830393A Power conversion circuit and digital integrated circuit test system
CN111707927A Calibration device and method for digital channel