- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/20 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on silicates other than clay rich in magnesium oxide
Patent holdings for IPC class C04B 35/20
Total number of patents in this class: 100
10-year publication summary
|
11
|
10
|
6
|
4
|
4
|
5
|
6
|
4
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24896 |
12 |
| TDK Corporation | 6879 |
8 |
| Massachusetts Institute of Technology | 10128 |
4 |
| Refratechnik Holding GmbH | 146 |
4 |
| Unifrax I LLC | 242 |
3 |
| Hitachi Metals, Ltd. | 1966 |
2 |
| Applied Materials, Inc. | 19072 |
2 |
| Corning Incorporated | 10362 |
2 |
| Calderys France | 54 |
2 |
| Ilem Research and Development Establishment | 2 |
2 |
| NHK Spring Co., Ltd. | 1914 |
2 |
| Nissan Chemical Industries, Ltd. | 1701 |
2 |
| Refractory Intellectual Property GmbH & Co. KG | 543 |
2 |
| Walsin Technology Corp. | 8 |
2 |
| EM-TECH. Co., Ltd. | 87 |
2 |
| Razvojni center ENEM novi materiali d.o.o. | 11 |
2 |
| «NIKA-PETROTECH» Limited Liability Company | 3 |
2 |
| Jiaxing Glead Electronics Co., Ltd | 13 |
2 |
| Raytheon Technologies Corporation | 146 |
2 |
| General Electric Company | 13862 |
1 |
| Other owners | 40 |