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SHANDONG XINFENGGUANG ELECTRONIC TECHNOLOGY DEV CO LTD

Overview
  • Total Patents
    31
  • GoodIP Patent Rank
    224,495
About

SHANDONG XINFENGGUANG ELECTRONIC TECHNOLOGY DEV CO LTD has a total of 31 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and mechanical elements are SHANGHAI ACREL LTD, KAWASAKI TOMOAKI and JIANGSU GOODWE POWER SUPPLY TECHNOLOGY CO LTD.

Patent filings in countries

World map showing SHANDONG XINFENGGUANG ELECTRONIC TECHNOLOGY DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 31

Patent filings per year

Chart showing SHANDONG XINFENGGUANG ELECTRONIC TECHNOLOGY DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ruilai Li 14
#2 Hongchen He 9
#3 Pengfei Yin 6
#4 Shi Guangbao 6
#5 Zhang Changyuan 5
#6 Shunquan Hu 5
#7 Hu Shunquan 5
#8 Yin Pengfei 5
#9 Hanxue Fang 4
#10 Pei Baofeng 4

Latest patents

Publication Filing date Title
CN104092225A Power distribution network comprehensive compensation device and control algorithm thereof
CN103715911A Four-quadrant cascading type high-voltage inverter device without electric reactor
CN103715963A Speed and position signal anti-interference processing method based on absolute position encoder
CN103715927A Regenerative brake absorption device based on inverter
CN103701383A Method for restraining overvoltage of busbar in vector control system
CN103676642A Control method of cascade H-bridge inverter fiber serial signal transmission
CN103532395A Power supply circuit of power module of chain circuit SVG (static var generator)
CN103546024A Chained SVG module voltage-equalizing control method and circuit
CN103398791A Temperature acquisition device for cooling fins in power units of high-voltage inverter
CN103368411A Multi-phase variable-frequency power source
CN103267917A Method and device for full-load test of high-capacity reactive compensation device without direct utilization of power grid
CN103248253A Multi-level circuit structure
CN103100267A Maintenance-free de-dusting device
CN103066974A Power device drive circuit with detection function
CN102751731A High voltage dynamic reactive compensation device
CN102709950A Large-capacity inversion grid-connected device
CN102710141A Four-quadrant cascade high-voltage frequency conversion device
CN102684669A Drive circuit of series power device
CN102510230A Capacitor voltage-sharing control method of five-level inverter circuit
CN102394563A Safe dragging system of high-voltage elevator, and commissioning control mode and working method thereof