- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 49/04 - Ferrous oxide [FeO]
Patent holdings for IPC class C01G 49/04
Total number of patents in this class: 40
10-year publication summary
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3
|
0
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2
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3
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5
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4
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3
|
3
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3
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3
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Imam Abdulrahman Bin Faisal University | 626 |
5 |
| Kemira Oyj | 1264 |
2 |
| Refined Technologies, Inc. | 55 |
2 |
| Brimstone Energy Inc. | 24 |
2 |
| Merichem Technologies, LLC | 62 |
2 |
| BASF SE | 21306 |
1 |
| Sony Corporation | 30111 |
1 |
| Centre National de La Recherche Scientifique | 11059 |
1 |
| Massachusetts Institute of Technology | 10282 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2154 |
1 |
| University of Florida Research Foundation, Inc. | 4188 |
1 |
| BYD Company Limited | 6543 |
1 |
| Hospices Civils de Lyon | 248 |
1 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1678 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
1 |
| Kemin Industries, Inc. | 374 |
1 |
| Korea Institute of Energy Research | 902 |
1 |
| National Chung Cheng University | 168 |
1 |
| Research Triangle Institute | 419 |
1 |
| Universite Claude Bernard Lyon 1 | 1084 |
1 |
| Other owners | 12 |