- 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: 1677
10-year publication summary
|
113
|
111
|
111
|
117
|
130
|
138
|
155
|
108
|
120
|
46
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 185 |
36 |
| Nisshinbo Holdings Inc. | 333 |
32 |
| Archer Daniels Midland Company | 1164 |
31 |
| BASF SE | 19740 |
27 |
| National University Corporation Gunma University | 306 |
21 |
| Centre National de La Recherche Scientifique | 9632 |
19 |
| Saudi Arabian Oil Company | 11322 |
17 |
| BASF Corporation | 2039 |
16 |
| LG Chem, Ltd. | 17205 |
15 |
| China Petroleum & Chemical Corporation | 1623 |
14 |
| Toyota Motor Corporation | 28582 |
13 |
| Monsanto Technology LLC | 7905 |
13 |
| Johnson Matthey Public Limited Company | 1852 |
13 |
| Hyundai Motor Company | 19021 |
12 |
| Honeywell International Inc. | 13799 |
11 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
11 |
| Uop LLC | 4083 |
11 |
| Tsinghua University | 5426 |
11 |
| Korea Institute of Science and Technology | 2022 |
11 |
| King Abdulaziz University | 511 |
10 |
| Other owners | 1333 |