- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/591 - Fine ceramics obtained by reaction sintering
Patent holdings for IPC class C04B 35/591
Total number of patents in this class: 79
10-year publication summary
|
3
|
3
|
10
|
3
|
4
|
4
|
4
|
9
|
4
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce Corporation | 1680 |
6 |
| Kyocera Corporation | 14433 |
5 |
| Safran Ceramics | 450 |
5 |
| Creeled, Inc. | 972 |
5 |
| Japan Fine Ceramics Co., Ltd | 16 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2865 |
3 |
| NTN Corporation | 4922 |
3 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1458 |
3 |
| Shanghai Institute of Ceramics, Chinese Academy of Sciences | 162 |
3 |
| Centre National de La Recherche Scientifique | 11077 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
2 |
| NGK Insulators, Ltd. | 5173 |
2 |
| Amosense Co., Ltd. | 504 |
2 |
| Guangdong University of Technology | 666 |
2 |
| Rogers Germany GmbH | 146 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6165 |
2 |
| Intelligent Power Generation Limited | 7 |
2 |
| Korea Institute of Materials Science | 260 |
2 |
| Jsg Japan Co., Ltd. | 2 |
2 |
| General Electric Company | 13938 |
1 |
| Other owners | 21 |