Ranking Year:
# | Company Name | Region | Tech Topics | Total |
---|
1 | ![]() | Electricity,Power transmission,Electric power transmission, ...[+2] | Patent: 466 | |
2 | Patent: 272 | |||
3 | Hydrogen fuel,Electronics,Cell | Patent: 168 | ||
4 | ![]() | Petroleum industry,Efficient energy use,Cell, ...[+2] | Patent: 124 | |
5 | Patent: 114 |