Ranking Year:
# | Company Name | Region | Tech Topics | Total |
---|
1 | Patent: 1 | |||
2 | ![]() | Astronautics,Molecular sensor,Solid-state battery, ...[+2] | Patent: 1 | |
3 | Patent: 1 | |||
4 | Coal mining,Mining engineering,Natural resource management | Patent: 1 | ||
5 | Hydropower,Energy technology | Patent: 1 |