- 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: 457
10-year publication summary
|
33
|
42
|
35
|
36
|
27
|
24
|
34
|
19
|
22
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| M. Technique Co., Ltd. | 250 |
31 |
| Lanxess Deutschland GmbH | 1113 |
25 |
| Dowa Electronics Materials Co., Ltd. | 638 |
21 |
| The University of Tokyo | 4252 |
15 |
| FUJIFILM Corporation | 29843 |
9 |
| King Fahd University of Petroleum and Minerals | 1384 |
8 |
| Powdertech Co., Ltd. | 136 |
8 |
| Sumitomo Metal Mining Co., Ltd. | 1795 |
8 |
| AEM Canada Group Inc. | 13 |
7 |
| LG Chem, Ltd. | 17704 |
6 |
| Dow Global Technologies LLC | 10582 |
6 |
| Toda Kogyo Corporation | 344 |
5 |
| Imam Abdulrahman Bin Faisal University | 546 |
5 |
| Electrasteel, Inc. | 44 |
5 |
| BASF SE | 21137 |
4 |
| Purdue Research Foundation | 3739 |
4 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1246 |
4 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1215 |
4 |
| ZTI Biosciences Co., Ltd. | 16 |
4 |
| The Regents of the University of California | 20315 |
3 |
| Other owners | 275 |