CHANG JIN-HONG has a total of 12 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States, United Kingdom and Taiwan. Its main competitors in its focus markets machines, chemical engineering and audio-visual technology are NETZSCH CONDUX MAHLTECHNIK GMBH, JIANGSU SHILEI MACHINERY CO LTD and EMERICK GEORGE STOCKHAM.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | United Kingdom | 3 | |
#3 | Taiwan | 3 | |
#4 | Hong Kong | 1 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Chemical engineering | |
#3 | Audio-visual technology | |
#4 | Telecommunications |
# | Technology | |
---|---|---|
#1 | Milling | |
#2 | Separating solids | |
#3 | Casings and printed circuits | |
#4 | Antennas | |
#5 | Cyclones |
# | Name | Total Patents |
---|---|---|
#1 | Chang Jin-Hong | 12 |
Publication | Filing date | Title |
---|---|---|
TW201711853A | Anti-electromagnetic film | |
TW201713203A | Electromagnetic wave elimination device | |
TW201618659A | Mat body having function of eliminating electromagnetic waves and converting the electromagnetic waves into far-infrared rays | |
HK1170698A1 | Particle separator | |
US2012175446A1 | Particle separator | |
US2009178960A1 | Separator for grinding mill | |
US2010059243A1 | Anti-electromagnetic interference material arrangement | |
GB0815590D0 | Anti-electromagnetic interference material arrangement | |
US2005230508A1 | Grinding mill | |
GB0408056D0 | Grinding mill | |
GB0522184D0 | A separator |