- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/38 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with manganese oxide as the principal oxide with zinc oxide
Patent holdings for IPC class C04B 35/38
Total number of patents in this class: 64
10-year publication summary
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2
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3
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2
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4
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6
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2
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7
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3
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8
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Chemical Corporation | 120 |
24 |
| JFE Steel Corporation | 6767 |
9 |
| Hitachi Metals, Ltd. | 1990 |
8 |
| Hengdian Group Dmegc Magnetics Co., Ltd | 165 |
7 |
| TOKIN Corporation | 207 |
3 |
| Murata Manufacturing Co., Ltd. | 24342 |
2 |
| TDG Holding Co., Ltd. | 26 |
2 |
| Nan Tong Huaxing Magnetic Material Co., Ltd . | 4 |
2 |
| Corning Incorporated | 10240 |
1 |
| Elmarco s.r.o. | 56 |
1 |
| Powdertech Co., Ltd. | 136 |
1 |
| Toda Isu Corporation | 2 |
1 |
| Toda Kogyo Corporation | 338 |
1 |
| Wuxi Spinel Magnetics Co., Ltd. | 1 |
1 |
| Proterial, Ltd. | 824 |
1 |
| Other owners | 0 |