- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/745 - Iron
Patent holdings for IPC class B01J 23/745
Total number of patents in this class: 1655
10-year publication summary
|
124
|
112
|
113
|
128
|
118
|
120
|
106
|
100
|
89
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17805 |
43 |
| IFP Energies Nouvelles | 3022 |
23 |
| Johnson Matthey Public Limited Company | 1742 |
23 |
| Zeon Corporation | 4112 |
21 |
| Centre National de La Recherche Scientifique | 10846 |
17 |
| Saudi Arabian Oil Company | 13940 |
17 |
| Korea Institute of Energy Research | 875 |
16 |
| King Fahd University of Petroleum and Minerals | 1467 |
14 |
| Mitsubishi Heavy Industries, Ltd. | 9010 |
13 |
| BASF Corporation | 1689 |
13 |
| BASF SE | 21127 |
12 |
| Shell Internationale Research Maatschappij B.V. | 3474 |
11 |
| Honeywell International Inc. | 13543 |
11 |
| Korea Research Institute of Chemical Technology | 1438 |
11 |
| Japan Science and Technology Agency | 1239 |
10 |
| China Petroleum & Chemical Corporation | 2027 |
10 |
| Sasol Technology (Proprietary) Limited | 209 |
10 |
| The Regents of the University of California | 20473 |
9 |
| Sumitomo Electric Industries, Ltd. | 16061 |
9 |
| ExxonMobil Chemical Patents Inc. | 3852 |
9 |
| Other owners | 1353 |