- 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: 74
10-year publication summary
|
0
|
1
|
1
|
4
|
5
|
5
|
10
|
8
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4995 |
6 |
| Safran Ceramics | 410 |
6 |
| Agc, Inc. | 4901 |
5 |
| General Electric Company | 13827 |
4 |
| Kyoto University | 2808 |
3 |
| NGK Adrec Co., Ltd. | 26 |
3 |
| Hitachi Metals, Ltd. | 1976 |
2 |
| Kyocera Corporation | 13887 |
2 |
| Denka Company Limited | 2602 |
2 |
| Fujimi Incorporated | 742 |
2 |
| Mitsubishi Heavy Industries Aero Engines, Ltd. | 134 |
2 |
| National Institute for Materials Science | 1104 |
2 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 493 |
2 |
| Saint-Gobain Ceramics & Plastics, Inc. | 837 |
2 |
| Proterial, Ltd. | 860 |
2 |
| The Regents of the University of California | 20035 |
1 |
| Centre National de La Recherche Scientifique | 10498 |
1 |
| Ibiden Co., Ltd. | 1715 |
1 |
| A.L.M.T. Corp. | 233 |
1 |
| Audi AG | 7372 |
1 |
| Other owners | 24 |