- 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: 706
10-year publication summary
|
61
|
63
|
78
|
57
|
57
|
41
|
46
|
25
|
29
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tosoh Corporation | 1441 |
28 |
| Sumitomo Electric Industries, Ltd. | 16419 |
20 |
| NGK Insulators, Ltd. | 5169 |
17 |
| Mitsubishi Materials Corporation | 2485 |
17 |
| Safran Ceramics | 450 |
16 |
| General Electric Company | 14021 |
14 |
| Saint-Gobain Ceramics & Plastics, Inc. | 804 |
13 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 499 |
12 |
| Kyocera Corporation | 14521 |
11 |
| Alcoa USA Corp. | 205 |
11 |
| Safran Aircraft Engines | 6811 |
11 |
| TDK Corporation | 7027 |
10 |
| Centre National de La Recherche Scientifique | 11143 |
8 |
| Corning Incorporated | 10560 |
8 |
| The United States of America as represented by the Secretary of the Navy | 2862 |
8 |
| HRL Laboratories, LLC | 1644 |
8 |
| Rtx Corporation | 10240 |
8 |
| SAFRAN S.A. | 810 |
7 |
| Diamond Innovations, Inc. | 235 |
7 |
| Drexel University | 1000 |
7 |
| Other owners | 465 |