Ranking Year:
# | Company Name | Region | Tech Topics | Total |
|---|
1 |  | Elevator,Counterweight,Core product | Patent: 5 | |
2 |  | Automotive engineering | Patent: 3 | |
3 |  | Parking space,Software,Management system | Patent: 2 | |
4 |  | Elevator,Metal,Industrial engineering, ...[+2] | Patent: 1 | |
5 |  | Civil engineering,Mechanical engineering,Environmental engineering, ...[+1] | Patent: 1 |