- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/584 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon nitride
Patent holdings for IPC class C04B 35/584
Total number of patents in this class: 475
10-year publication summary
|
29
|
37
|
34
|
49
|
25
|
41
|
38
|
26
|
25
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Materials Co., Ltd. | 664 |
31 |
| Safran Ceramics | 407 |
19 |
| Denka Company Limited | 2566 |
17 |
| NGK Insulators, Ltd. | 4949 |
16 |
| Toshiba Corporation | 12334 |
14 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6270 |
14 |
| Kyocera Corporation | 13800 |
13 |
| Corning Incorporated | 10257 |
10 |
| General Electric Company | 13767 |
8 |
| Safran Aircraft Engines | 6275 |
8 |
| SAFRAN S.A. | 615 |
7 |
| Applied Materials, Inc. | 18589 |
7 |
| OCI Company Ltd. | 153 |
7 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
6 |
| Shanghai Institute of Ceramics, Chinese Academy of Sciences | 157 |
6 |
| SiNtx Technologies, Inc. | 64 |
6 |
| Sinoma Advanced Nitride Ceramics Co., Ltd. | 16 |
6 |
| BASF SE | 20926 |
5 |
| Comadur S.A. | 87 |
5 |
| Guangdong University of Technology | 574 |
5 |
| Other owners | 265 |