- 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: 1887
10-year publication summary
|
105
|
116
|
126
|
133
|
152
|
110
|
123
|
129
|
121
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 230 |
43 |
| Nisshinbo Holdings Inc. | 373 |
36 |
| Archer Daniels Midland Company | 1108 |
30 |
| BASF SE | 21127 |
27 |
| National University Corporation Gunma University | 291 |
23 |
| Centre National de La Recherche Scientifique | 10846 |
21 |
| LG Chem, Ltd. | 17805 |
19 |
| Saudi Arabian Oil Company | 13940 |
19 |
| China Petroleum & Chemical Corporation | 2027 |
18 |
| Toyota Motor Corporation | 34387 |
15 |
| Hyundai Motor Company | 23540 |
13 |
| Honeywell International Inc. | 13543 |
12 |
| Korea Institute of Science and Technology | 2196 |
12 |
| Korea Institute of Energy Research | 875 |
12 |
| BASF Corporation | 1689 |
11 |
| Hon Hai Precision Industry Co., Ltd. | 4019 |
11 |
| Tsinghua University | 6101 |
11 |
| King Fahd University of Petroleum and Minerals | 1467 |
11 |
| Nanyang Technological University | 2143 |
11 |
| Imam Abdulrahman Bin Faisal University | 575 |
11 |
| Other owners | 1521 |