- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 49/08 - Ferroso-ferric oxide [Fe3O4]
Patent holdings for IPC class C01G 49/08
Total number of patents in this class: 340
10-year publication summary
|
23
|
25
|
17
|
18
|
17
|
16
|
16
|
15
|
31
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toda Kogyo Corporation | 342 |
8 |
| The Regents of the University of California | 20378 |
6 |
| Centre National de La Recherche Scientifique | 10805 |
6 |
| Colorobbia Italia S.p.A. | 40 |
6 |
| Alphaonco | 34 |
6 |
| Dowa Electronics Materials Co., Ltd. | 639 |
5 |
| JFE Steel Corporation | 7179 |
5 |
| SICPA Holding SA | 935 |
5 |
| Massachusetts Institute of Technology | 10172 |
4 |
| Ecolab USA Inc. | 5663 |
4 |
| Fondazione Istituto Italiano di Tecnologia | 614 |
4 |
| Ohio State Innovation Foundation | 2262 |
4 |
| UTi Limited Partnership | 449 |
4 |
| FUJIFILM Corporation | 30034 |
3 |
| Koninklijke Philips Electronics N.V. | 8370 |
3 |
| Dai-Ichi High Frequency Co., Ltd. | 37 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1248 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1217 |
3 |
| King Faisal University | 921 |
3 |
| Kyushu University, National University Corporation | 1680 |
3 |
| Other owners | 252 |