- 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: 1894
10-year publication summary
|
111
|
117
|
130
|
139
|
157
|
112
|
127
|
134
|
124
|
49
|
| 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. | 374 |
36 |
| Archer Daniels Midland Company | 1074 |
30 |
| BASF SE | 21165 |
28 |
| National University Corporation Gunma University | 293 |
23 |
| Centre National de La Recherche Scientifique | 10914 |
21 |
| LG Chem, Ltd. | 17883 |
19 |
| Saudi Arabian Oil Company | 13956 |
19 |
| China Petroleum & Chemical Corporation | 2095 |
18 |
| Toyota Motor Corporation | 34999 |
14 |
| Hyundai Motor Company | 24105 |
14 |
| King Fahd University of Petroleum and Minerals | 1524 |
13 |
| Korea Institute of Science and Technology | 2214 |
12 |
| Korea Institute of Energy Research | 888 |
12 |
| BASF Corporation | 1681 |
11 |
| Hon Hai Precision Industry Co., Ltd. | 4024 |
11 |
| Tsinghua University | 6128 |
11 |
| Nanyang Technological University | 2171 |
11 |
| Imam Abdulrahman Bin Faisal University | 584 |
11 |
| Evonik Operations GmbH | 4283 |
11 |
| Other owners | 1526 |