Ranking Year:
# | Company Name | Region | Tech Topics | Total |
---|
1 | ![]() | Machine element,Piston,Manufacturing engineering, ...[+2] | Patent: 1 | |
2 | Mechanical engineering,Manufacturing engineering | Patent: 1 | ||
3 | Pigment,Chemical engineering | Patent: 1 | ||
4 | Power transmission,Electronics | Patent: 1 | ||
5 | ![]() | Classical Chinese,Social practice,Pinyin, ...[+2] | Patent: 1 |