- 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: 330
10-year publication summary
|
23
|
33
|
30
|
30
|
15
|
22
|
21
|
26
|
17
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2712 |
17 |
| NGK Insulators, Ltd. | 5232 |
9 |
| Toyo Tanso Co., Ltd. | 218 |
8 |
| TDK Electronics AG | 1010 |
8 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 581 |
7 |
| UT-Battelle, LLC | 1510 |
7 |
| Murata Manufacturing Co., Ltd. | 25722 |
6 |
| James R. Glidewell Dental Ceramics, Inc. | 263 |
6 |
| Noritake Co., Limited | 270 |
6 |
| Rolls-Royce Corporation | 1676 |
6 |
| Rtx Corporation | 10082 |
6 |
| Kyocera Corporation | 14335 |
5 |
| Scientific Design Company, Inc. | 115 |
5 |
| Heraeus Electronics GmbH & Co. KG | 112 |
5 |
| General Electric Company | 13888 |
4 |
| Nichia Corporation | 3872 |
4 |
| BYD Company Limited | 6463 |
4 |
| CeramTec GmbH | 330 |
4 |
| Greatbatch Ltd. | 359 |
4 |
| Magotteaux International S.A. | 121 |
4 |
| Other owners | 205 |