- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/88 - Metals
Patent holdings for IPC class C04B 41/88
Total number of patents in this class: 322
10-year publication summary
|
23
|
23
|
33
|
30
|
30
|
15
|
21
|
21
|
25
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2573 |
17 |
| NGK Insulators, Ltd. | 4955 |
9 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 627 |
9 |
| Toyo Tanso Co., Ltd. | 222 |
8 |
| TDK Electronics AG | 933 |
8 |
| Murata Manufacturing Co., Ltd. | 24526 |
7 |
| UT-Battelle, LLC | 1455 |
7 |
| James R. Glidewell Dental Ceramics, Inc. | 246 |
6 |
| Noritake Co., Limited | 258 |
6 |
| Rolls-Royce Corporation | 1736 |
6 |
| Kyocera Corporation | 13799 |
5 |
| Scientific Design Company, Inc. | 115 |
5 |
| Rtx Corporation | 9376 |
5 |
| Heraeus Electronics GmbH & Co. KG | 101 |
5 |
| BYD Company Limited | 4991 |
4 |
| CeramTec GmbH | 327 |
4 |
| Greatbatch Ltd. | 353 |
4 |
| Magotteaux International S.A. | 122 |
4 |
| Korea Institute of Materials Science | 221 |
4 |
| General Electric Company | 13780 |
3 |
| Other owners | 196 |