- All sections
- C - Chemistry; metallurgy
- 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: 289
10-year publication summary
|
25
|
21
|
24
|
25
|
18
|
19
|
18
|
16
|
17
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toda Kogyo Corporation | 323 |
8 |
| Nanobacterie | 33 |
7 |
| The Regents of the University of California | 18943 |
6 |
| Centre National de La Recherche Scientifique | 9632 |
6 |
| Colorobbia Italia S.p.A. | 48 |
6 |
| Dowa Electronics Materials Co., Ltd. | 610 |
5 |
| Fondazione Istituto Italiano di Tecnologia | 524 |
5 |
| SICPA Holding SA | 881 |
5 |
| Ecolab USA Inc. | 5190 |
4 |
| UTi Limited Partnership | 407 |
4 |
| FUJIFILM Corporation | 27102 |
3 |
| Koninklijke Philips Electronics N.V. | 13133 |
3 |
| Massachusetts Institute of Technology | 9795 |
3 |
| Astellas Pharma Inc. | 1145 |
3 |
| Dai-Ichi High Frequency Co., Ltd. | 34 |
3 |
| JFE Steel Corporation | 6067 |
3 |
| King Faisal University | 409 |
3 |
| Mitsubishi Materials Corporation | 2378 |
3 |
| MTG Co., Ltd. | 248 |
3 |
| Ohio State Innovation Foundation | 1770 |
3 |
| Other owners | 203 |