Ranking Year:
# | Company Name | Region | Tech Topics | Total |
---|
1 | Patent: 2,599 | |||
2 | Patent: 1,090 | |||
3 | Patent: 437 | |||
4 | Patent: 183 | |||
5 | Patent: 151 | |||
6 | Chemical engineering | Patent: 66 | ||
7 | Patent: 63 | |||
8 | Patent: 57 | |||
9 | Patent: 34 | |||
10 | Petroleum industry | Patent: 25 | ||
11 | Patent: 24 | |||
12 | Patent: 23 | |||
13 | Patent: 22 | |||
14 | Patent: 21 | |||
15 | Patent: 21 | |||
16 | Patent: 19 | |||
17 | Patent: 18 | |||
18 | Patent: 15 | |||
19 | ![]() | Patent: 13 | ||
20 | Patent: 11 |