Ranking Year:
# | Company Name | Region | Tech Topics | Total |
|---|
1 |  | Science and engineering,Renewable energy,Energy management, ...[+1] | Patent: 8 | |
2 |  | Mechanical engineering,Manufacturing engineering | Patent: 2 | |
3 | | Patent: 1 | ||
4 |  | Elevator,Manufacturing engineering,Industrial engineering, ...[+2] | Patent: 1 | |
5 | | Control system,Computer hardware,Information technology management, ...[+2] | Patent: 1 |