- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 41/80 - After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
Patent holdings for IPC class C04B 41/80
Total number of patents in this class: 129
10-year publication summary
|
10
|
12
|
14
|
18
|
10
|
12
|
11
|
6
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 17783 |
8 |
| Applied Materials, Inc. | 17720 |
7 |
| Kyocera Corporation | 13335 |
7 |
| NGK Insulators, Ltd. | 4795 |
4 |
| Mitsui Mining & Smelting Co., Ltd. | 1427 |
4 |
| Refractory Intellectual Property GmbH & Co. KG | 523 |
4 |
| Skyworks Solutions, Inc. | 3605 |
4 |
| Siemens AG | 24573 |
3 |
| The Boeing Company | 19909 |
3 |
| Kyoto University | 2777 |
3 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 486 |
3 |
| Tohoku University | 2680 |
3 |
| Sumitomo Electric Industries, Ltd. | 14956 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11080 |
2 |
| CeramTec GmbH | 324 |
2 |
| Goertek Inc. | 2588 |
2 |
| Johnson Matthey Public Limited Company | 1851 |
2 |
| The Swatch Group Research and Development Ltd | 813 |
2 |
| Canon Kabushiki Kaisha | 6943 |
2 |
| SNECMA S.A. | 1150 |
1 |
| Other owners | 61 |