- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/38 - Preparing or treating the raw materials individually or as batches
Patent holdings for IPC class C04B 7/38
Total number of patents in this class: 102
10-year publication summary
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1
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3
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5
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7
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4
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7
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6
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10
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10
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8
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiheiyo Cement Corporation | 244 |
14 |
| Mitsubishi Materials Corporation | 2479 |
5 |
| Tokuyama Corporation | 1483 |
5 |
| Sumitomo Osaka Cement Co., Ltd. | 900 |
4 |
| The Regents of the University of California | 20815 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2962 |
3 |
| Roman Cement, LLC | 48 |
3 |
| ThyssenKrupp AG | 3353 |
3 |
| Ube Industries, Ltd. | 767 |
3 |
| Cbmi Construction Co., Ltd. | 24 |
3 |
| Global Material Research Corporation | 3 |
3 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 574 |
2 |
| Holcim Technology Ltd. | 487 |
2 |
| Hubei University of Technology | 62 |
2 |
| Shandong University | 1158 |
2 |
| Sika Technology AG | 3015 |
2 |
| ThyssenKrupp Industrial Solutions AG | 630 |
2 |
| Southwest University of Science and Technology | 28 |
2 |
| Taiheiyo Engineering Corporation | 35 |
2 |
| China Building Materials Academy Co., Ltd. | 39 |
2 |
| Other owners | 35 |