Ranking Year:
# | Company Name | Region | Tech Topics | Total |
|---|
1 |  | Foundry,Coating,Metal | patent citation: 48 | |
2 | | Construction engineering | patent citation: 26 | |
3 | | Automation,Manufacturing engineering,Industrial engineering, ...[+2] | patent citation: 14 | |
4 | | Chemical engineering,Petrochemical,Acetic anhydride, ...[+2] | patent citation: 9 | |
5 | | Refrigeration | patent citation: 8 | |
6 | | Steroid hormone,Steroid,Hormone, ...[+2] | patent citation: 7 | |
7 | | Manufacturing engineering,Automation,Mechanical engineering, ...[+2] | patent citation: 7 | |
8 |  | Hospitality industry,Helium,Nitrogen, ...[+1] | patent citation: 5 | |
9 | | Intermediation | patent citation: 5 | |
10 |  | Thermocouple,Thermistor,Heating system, ...[+1] | patent citation: 4 |