- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 21/18 - Carbon
Patent holdings for IPC class B01J 21/18
Total number of patents in this class: 1746
10-year publication summary
|
111
|
111
|
117
|
130
|
138
|
156
|
111
|
122
|
129
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 199 |
41 |
| Nisshinbo Holdings Inc. | 353 |
36 |
| Archer Daniels Midland Company | 1138 |
30 |
| BASF SE | 20387 |
27 |
| National University Corporation Gunma University | 304 |
23 |
| Centre National de La Recherche Scientifique | 10068 |
19 |
| LG Chem, Ltd. | 17632 |
16 |
| Saudi Arabian Oil Company | 12404 |
16 |
| Toyota Motor Corporation | 30345 |
15 |
| China Petroleum & Chemical Corporation | 1774 |
15 |
| Johnson Matthey Public Limited Company | 1850 |
14 |
| BASF Corporation | 1822 |
13 |
| Hyundai Motor Company | 20403 |
13 |
| Monsanto Technology LLC | 8078 |
12 |
| Korea Institute of Science and Technology | 2069 |
12 |
| Korea Institute of Energy Research | 830 |
12 |
| Honeywell International Inc. | 14007 |
11 |
| Hon Hai Precision Industry Co., Ltd. | 4046 |
11 |
| Tsinghua University | 5690 |
11 |
| Imam Abdulrahman Bin Faisal University | 454 |
11 |
| Other owners | 1388 |