- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/505 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare earth compounds based on yttrium oxide
Patent holdings for IPC class C04B 35/505
Total number of patents in this class: 363
10-year publication summary
|
26
|
33
|
35
|
42
|
29
|
28
|
25
|
29
|
14
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 19072 |
50 |
| Shin-Etsu Chemical Co., Ltd. | 5732 |
18 |
| Kyocera Corporation | 14000 |
16 |
| Raytheon Company | 8413 |
12 |
| NGK Insulators, Ltd. | 5131 |
10 |
| Fujimi Incorporated | 762 |
9 |
| Shibaura Electronics Co., Ltd. | 112 |
9 |
| Tokyo Electron Limited | 13031 |
7 |
| Corning Incorporated | 10362 |
7 |
| Sumitomo Osaka Cement Co., Ltd. | 866 |
7 |
| General Electric Company | 13862 |
6 |
| BASF SE | 21071 |
6 |
| Toto Ltd. | 1216 |
6 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 490 |
5 |
| Siemens AG | 24366 |
4 |
| ExxonMobil Chemical Patents Inc. | 3964 |
4 |
| CoorsTek, Inc. | 83 |
4 |
| JX Nippon Mining & Metals Corporation | 1481 |
4 |
| Mitsui Mining & Smelting Co., Ltd. | 1512 |
4 |
| Niterra Co., Ltd. | 1321 |
4 |
| Other owners | 171 |