- 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: 433
10-year publication summary
|
37
|
52
|
36
|
38
|
30
|
28
|
37
|
19
|
23
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| M. Technique Co., Ltd. | 247 |
31 |
| Lanxess Deutschland GmbH | 1126 |
25 |
| Dowa Electronics Materials Co., Ltd. | 631 |
21 |
| The University of Tokyo | 4148 |
15 |
| FUJIFILM Corporation | 29228 |
9 |
| King Fahd University of Petroleum and Minerals | 1145 |
8 |
| Sumitomo Metal Mining Co., Ltd. | 1760 |
8 |
| Powdertech Co., Ltd. | 136 |
7 |
| AEM Canada Group Inc. | 13 |
7 |
| LG Chem, Ltd. | 17561 |
6 |
| Dow Global Technologies LLC | 10354 |
6 |
| Toda Kogyo Corporation | 338 |
5 |
| Imam Abdulrahman Bin Faisal University | 499 |
5 |
| Electrasteel, Inc. | 39 |
5 |
| BASF SE | 20777 |
4 |
| Purdue Research Foundation | 3564 |
4 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1185 |
4 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1153 |
4 |
| ZTI Biosciences Co., Ltd. | 15 |
4 |
| The Regents of the University of California | 19812 |
3 |
| Other owners | 252 |