- 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: 71
10-year publication summary
|
6
|
3
|
3
|
10
|
3
|
4
|
4
|
4
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce Corporation | 1719 |
6 |
| Kyocera Corporation | 13344 |
5 |
| Safran Ceramics | 392 |
5 |
| Creeled, Inc. | 780 |
5 |
| The United States of America as represented by the Secretary of the Navy | 2720 |
3 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1187 |
3 |
| Shanghai Institute of Ceramics, Chinese Academy of Sciences | 156 |
3 |
| Japan Fine Ceramics Co., Ltd | 10 |
3 |
| Centre National de La Recherche Scientifique | 10102 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
2 |
| NTN Corporation | 4976 |
2 |
| Guangdong University of Technology | 528 |
2 |
| Rogers Germany GmbH | 133 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6235 |
2 |
| Intelligent Power Generation Limited | 7 |
2 |
| Korea Institute of Materials Science | 207 |
2 |
| General Electric Company | 17789 |
1 |
| NGK Insulators, Ltd. | 4792 |
1 |
| NGK Spark Plug Co., Ltd. | 901 |
1 |
| OSRAM Opto Semiconductors GmbH | 3336 |
1 |
| Other owners | 18 |