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HE SHUGUANG

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    201,599
About

HE SHUGUANG has a total of 12 patent applications. Its first patent ever was published in 1996. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy and environmental technology are ZHEJIANG MOTE ELECTRIC CO LTD, S & C ELECTRIC CO and NU LEC PTY LTD.

Patent filings in countries

World map showing HE SHUGUANGs patent filings in countries

Patent filings per year

Chart showing HE SHUGUANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 He Shuguang 12
#2 Lam Chun Wah 3
#3 Xu Jiansheng 1
#4 Hui Kin Sang 1
#5 Hui Kinsang 1

Latest patents

Publication Filing date Title
US2020044438A1 Dc soft turn-off module
CN109416994A Direct current soft switching module
CN106033880A Hiccup type protection circuits for DC power supply
CN104465166A Direct-current soft switching-off module
CN103187205A Reverse blocking current device
CN103179712A Negative resistance compensating circuit
CN103138605A Alternating current (AC) / direct current (DC) switching circuit of high frequency and low frequency
US2009185402A1 Circuit for minimizing standby power in power supply systems
CN1154595A AC series control circuit with two dc power supply