PARK SE CHANG has a total of 13 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets electrical machinery and energy, control and chemical engineering are QIMING XINGYU ENERGY SAVING TECH CO LTD, BHA GROUP HOLDINGS INC and KRAJEWSKI JAN.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 13 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Control | |
#3 | Chemical engineering | |
#4 | Environmental technology | |
#5 | Optics | |
#6 | Thermal processes | |
#7 | Materials and metallurgy |
# | Technology | |
---|---|---|
#1 | Alarm systems | |
#2 | Separation | |
#3 | Cameras | |
#4 | AC and DC conversion devices | |
#5 | Reduction of greenhouse gas emissions | |
#6 | Batteries | |
#7 | Gas-flow silencers for machines | |
#8 | Non-metallic elements | |
#9 | Controlling combustion | |
#10 | Air-conditioning |
# | Name | Total Patents |
---|---|---|
#1 | Park Se-Chang | 11 |
#2 | Lee Sook-Hee | 3 |
#3 | Park Inn-Pyo | 3 |
#4 | Park In-Pyo | 2 |
#5 | Park Se Chang | 2 |
#6 | Park In-Pho | 1 |
Publication | Filing date | Title |
---|---|---|
KR20020077293A | Power charge and discharge system of battery cell | |
KR20040011818A | Structure and method for packaging battery cell into battery case | |
KR960009607B1 | Apparatus for purifying exhaust gas in a car | |
KR960010918B1 | Power interface circuit | |
KR960011691B1 | Adapter | |
KR960011211B1 | Adaptor adjusting circuit | |
KR960006133B1 | Gas alarming equipment | |
KR970009310B1 | Air cleaner | |
KR920004206B1 | Home appliance assembly including an air cleaner a humidifier a carbon monoxide alarm a power failure detector and an electrolysis system for generating oxgen and hydrogen having an oxygen controller | |
KR860000112B1 | Single reflex multi-purpose camera |