- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/577 - Composites
Patent holdings for IPC class C04B 35/577
Total number of patents in this class: 73
10-year publication summary
|
2
|
2
|
4
|
6
|
5
|
10
|
9
|
8
|
5
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5199 |
6 |
| Safran Ceramics | 448 |
6 |
| Agc, Inc. | 5563 |
5 |
| General Electric Company | 13912 |
3 |
| Fujimi Incorporated | 804 |
3 |
| Kyoto University | 2911 |
3 |
| NGK Adrec Co., Ltd. | 29 |
3 |
| Hitachi Metals, Ltd. | 1896 |
2 |
| Kyocera Corporation | 14402 |
2 |
| Denka Company Limited | 2738 |
2 |
| DIC Corporation | 3968 |
2 |
| Mitsubishi Heavy Industries Aero Engines, Ltd. | 140 |
2 |
| National Institute for Materials Science | 1087 |
2 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 495 |
2 |
| Saint-Gobain Ceramics & Plastics, Inc. | 803 |
2 |
| Proterial, Ltd. | 944 |
2 |
| The Regents of the University of California | 20802 |
1 |
| Centre National de La Recherche Scientifique | 11055 |
1 |
| Ibiden Co., Ltd. | 1674 |
1 |
| Mitsubishi Chemical Corporation | 4724 |
1 |
| Other owners | 22 |