- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 49/06 - Ferric oxide [Fe2O3]
Patent holdings for IPC class C01G 49/06
Total number of patents in this class: 474
10-year publication summary
|
52
|
36
|
38
|
30
|
28
|
38
|
19
|
23
|
31
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| M. Technique Co., Ltd. | 253 |
31 |
| Lanxess Deutschland GmbH | 1151 |
25 |
| Dowa Electronics Materials Co., Ltd. | 632 |
21 |
| The University of Tokyo | 4409 |
15 |
| FUJIFILM Corporation | 30849 |
9 |
| King Fahd University of Petroleum and Minerals | 1609 |
8 |
| Powdertech Co., Ltd. | 139 |
8 |
| Sumitomo Metal Mining Co., Ltd. | 2017 |
8 |
| AEM Canada Group Inc. | 13 |
7 |
| LG Chem, Ltd. | 17997 |
6 |
| Dow Global Technologies LLC | 11090 |
6 |
| Toda Kogyo Corporation | 331 |
5 |
| Imam Abdulrahman Bin Faisal University | 642 |
5 |
| Electrasteel, Inc. | 49 |
5 |
| BASF SE | 21334 |
4 |
| Purdue Research Foundation | 3993 |
4 |
| Fives FCB | 66 |
4 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1272 |
4 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1227 |
4 |
| DIC Corporation | 4008 |
3 |
| Other owners | 292 |