- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/58 - 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
Patent holdings for IPC class C04B 35/58
Total number of patents in this class: 699
10-year publication summary
|
53
|
59
|
71
|
57
|
55
|
39
|
43
|
24
|
26
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tosoh Corporation | 1377 |
26 |
| Sumitomo Electric Industries, Ltd. | 16050 |
20 |
| Mitsubishi Materials Corporation | 2461 |
18 |
| NGK Insulators, Ltd. | 5171 |
17 |
| Safran Ceramics | 421 |
16 |
| General Electric Company | 13809 |
14 |
| Saint-Gobain Ceramics & Plastics, Inc. | 810 |
12 |
| Kyocera Corporation | 14211 |
11 |
| Alcoa USA Corp. | 201 |
11 |
| Safran Aircraft Engines | 6509 |
11 |
| TDK Corporation | 6807 |
10 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 493 |
10 |
| Centre National de La Recherche Scientifique | 10856 |
8 |
| Corning Incorporated | 10409 |
8 |
| The United States of America as represented by the Secretary of the Navy | 2828 |
8 |
| HRL Laboratories, LLC | 1617 |
8 |
| Rtx Corporation | 9825 |
8 |
| SAFRAN S.A. | 638 |
7 |
| Diamond Innovations, Inc. | 234 |
7 |
| Powdermet, Inc. | 44 |
7 |
| Other owners | 462 |