- 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: 98
10-year publication summary
|
2
|
1
|
3
|
5
|
7
|
4
|
7
|
6
|
10
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiheiyo Cement Corporation | 235 |
15 |
| Mitsubishi Materials Corporation | 2431 |
6 |
| Tokuyama Corporation | 1375 |
5 |
| Sumitomo Osaka Cement Co., Ltd. | 839 |
4 |
| The Regents of the University of California | 19812 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2580 |
3 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 636 |
3 |
| Holcim Technology Ltd. | 974 |
3 |
| Roman Cement, LLC | 47 |
3 |
| ThyssenKrupp AG | 3266 |
3 |
| Ube Industries, Ltd. | 853 |
3 |
| Hubei University of Technology | 57 |
2 |
| Shandong University | 1020 |
2 |
| Sika Technology AG | 2845 |
2 |
| Solidia Technologies, Inc. | 89 |
2 |
| ThyssenKrupp Industrial Solutions AG | 636 |
2 |
| Taiheiyo Engineering Corporation | 27 |
2 |
| China Building Materials Academy Co., Ltd. | 25 |
2 |
| Sublime Systems, Inc. | 28 |
2 |
| Global Material Research Corporation | 2 |
2 |
| Other owners | 29 |