- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 21/18 - Carbon
Patent holdings for IPC class B01J 21/18
Total number of patents in this class: 1922
10-year publication summary
|
111
|
117
|
130
|
139
|
157
|
112
|
130
|
134
|
125
|
76
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 234 |
44 |
| Nisshinbo Holdings Inc. | 375 |
36 |
| Archer Daniels Midland Company | 1073 |
30 |
| BASF SE | 21320 |
28 |
| National University Corporation Gunma University | 296 |
23 |
| Centre National de La Recherche Scientifique | 11111 |
22 |
| China Petroleum & Chemical Corporation | 2175 |
21 |
| LG Chem, Ltd. | 17970 |
19 |
| Saudi Arabian Oil Company | 14369 |
19 |
| King Fahd University of Petroleum and Minerals | 1601 |
15 |
| Toyota Motor Corporation | 36159 |
14 |
| Hyundai Motor Company | 24951 |
14 |
| Korea Institute of Energy Research | 902 |
14 |
| BASF Corporation | 1681 |
12 |
| Korea Institute of Science and Technology | 2255 |
12 |
| Hon Hai Precision Industry Co., Ltd. | 4019 |
11 |
| Tsinghua University | 6248 |
11 |
| Nanyang Technological University | 2239 |
11 |
| Imam Abdulrahman Bin Faisal University | 637 |
11 |
| Council of Scientific & Industrial Research | 1449 |
10 |
| Other owners | 1545 |