CIRCUIT CHEMISTRY CORP has a total of 12 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Austria. Its main competitors in its focus markets audio-visual technology, surface technology and coating and basic materials chemistry are YE TAO, FENG KESHENG and METSUKU KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 3 | |
#2 | WIPO (World Intellectual Property Organization) | 2 | |
#3 | Austria | 1 | |
#4 | Canada | 1 | |
#5 | Switzerland | 1 | |
#6 | EPO (European Patent Office) | 1 | |
#7 | United Kingdom | 1 | |
#8 | Netherlands | 1 | |
#9 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Surface technology and coating | |
#3 | Basic materials chemistry | |
#4 | Optics | |
#5 | Machines | |
#6 | Materials and metallurgy |
# | Name | Total Patents |
---|---|---|
#1 | Czaja James J | 8 |
#2 | Herrmann John J | 2 |
#3 | Fakler John | 1 |
#4 | Czaja J J | 1 |
Publication | Filing date | Title |
---|---|---|
WO8906639A1 | Alkaline permanganate etchant regeneration process and apparatus | |
US4739780A | Vertical photoresist developer | |
US4732173A | Vertical photoresist developer | |
US4397753A | Solder stripping solution |