SUMIDA ELECTRIC H K COMPANY LTD has a total of 11 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China, United States and Taiwan. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and machines are MULTI FINELINE ELECTRONIX INC, BOTHHAND ENTPR INC and WUERTH ELEKTRONIK IBE GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 6 | |
#2 | United States | 3 | |
#3 | Taiwan | 2 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Audio-visual technology | |
#3 | Machines | |
#4 | Semiconductors |
# | Technology | |
---|---|---|
#1 | Magnets and transformers | |
#2 | Casings and printed circuits | |
#3 | Unspecified technologies | |
#4 | AC and DC conversion devices | |
#5 | Semiconductor devices |
# | Name | Total Patents |
---|---|---|
#1 | Liu Yanfei | 7 |
#2 | Zhang Hongnian | 5 |
#3 | Malcolm Douglas James | 5 |
#4 | Wu Zhuo | 3 |
#5 | Liu Chengfeng | 2 |
#6 | Douglas James Malcolm | 2 |
#7 | Liao Qingwen | 2 |
#8 | Qi Jiacai | 2 |
#9 | He Weihong | 2 |
#10 | Cai Rencheng | 2 |
Publication | Filing date | Title |
---|---|---|
CN104300767A | Power module and manufacturing method thereof | |
CN104300766A | Power module and manufacturing method thereof | |
CN103632839A | Automatic winding assembly mechanism and method | |
CN103632840A | Coil winder and automatic coil winding assembly method thereof | |
CN104135139A | Power supply module | |
CN104134532A | Coil having variable inner diameter and electronic module made of same | |
US2014062437A1 | Power supply module | |
TW200838411A | A clearance heat sink arrangement of printed circuit board | |
TW200838364A | Cold cathode tube driving circuit |