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IWEI TECHNOLOGY CO LTD

Overview
  • Total Patents
    36
About

IWEI TECHNOLOGY CO LTD has a total of 36 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Australia, France and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, environmental technology and measurement are SHENZHEN TIANBANGDA TECH CO LTD, JYE CHUANG ELECTRONIC CO LTD and BREN TRONICS INC.

Patent filings in countries

World map showing IWEI TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 Australia 5
#2 France 5
#3 United Kingdom 5
#4 United States 5
#5 China 3
#6 Canada 2
#7 Germany 2
#8 Italy 2
#9 Japan 2
#10 Taiwan 2
#11 EPO (European Patent Office) 1
#12 Republic of Korea 1
#13 Netherlands 1

Patent filings per year

Chart showing IWEI TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang I-Chang 21
#2 Chang I Chang 10
#3 Yizhang Zhang 2
#4 Jianrong Wu 1
#5 Chang I-Changh 1
#6 Wu Chien-Jung 1

Latest patents

Publication Filing date Title
TW201028820A Improved structure of recharger
AU2007101206A4 Contact Pin Structure
TW200845461A Recharging apparatus with battery capacity analyzing function
US2007216393A1 Current-to-voltage detection circuit
US2006055368A1 Non-polarity charging device
GB0311400D0 Automatic detecting and switching vehicle charger
FR2834589A3 Car battery circuit connection cable/ protection circuit having first/second battery connector and mechanism allowing application when battery connections correctly made.
US6531789B1 Electric energy source having safety control device
CA2084833A1 Rechargeable/portable multi-voltage dc power supply