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.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 7 | |
#2 | United States | 2 | |
#3 | WIPO (World Intellectual Property Organization) | 2 | |
#4 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Environmental technology |
# | 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 |
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 |