- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/583 - 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 boron nitride
Patent holdings for IPC class C04B 35/583
Total number of patents in this class: 308
10-year publication summary
|
32
|
24
|
19
|
29
|
21
|
24
|
22
|
30
|
11
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2590 |
50 |
| Sumitomo Electric Hardmetal Corp. | 1026 |
21 |
| Sumitomo Electric Industries, Ltd. | 15529 |
17 |
| Tungaloy Corporation | 511 |
12 |
| Safran Ceramics | 409 |
9 |
| 3m Innovative Properties Company | 17823 |
8 |
| Centre National de La Recherche Scientifique | 10464 |
8 |
| Bnnt, LLC | 69 |
7 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 490 |
7 |
| Kyocera Corporation | 13857 |
5 |
| Mitsubishi Materials Corporation | 2449 |
5 |
| Saint-Gobain Ceramics & Plastics, Inc. | 840 |
5 |
| The Regents of the University of California | 19961 |
4 |
| Free Form Fibers, LLC | 39 |
4 |
| HRL Laboratories, LLC | 1601 |
4 |
| Rtx Corporation | 9410 |
4 |
| Smith International, Inc. | 719 |
3 |
| Aramco Services Company | 3987 |
3 |
| COI Ceramics, Inc. | 13 |
3 |
| ESK Ceramics GmbH & Co. KG | 22 |
3 |
| Other owners | 126 |