- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/44 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on aluminates
Patent holdings for IPC class C04B 35/44
Total number of patents in this class: 438
10-year publication summary
|
19
|
22
|
37
|
38
|
27
|
31
|
34
|
25
|
29
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5663 |
19 |
| Nichia Corporation | 3708 |
14 |
| Corning Incorporated | 10268 |
13 |
| Quantumscape Battery, Inc. | 195 |
12 |
| Applied Materials, Inc. | 18706 |
10 |
| Rolex S.A. | 664 |
10 |
| Heraeus Conamic North America LLC | 21 |
8 |
| Kyocera Corporation | 13846 |
7 |
| Asahi Glass Company, Limited | 2781 |
7 |
| SCHOTT AG | 1712 |
7 |
| Agc, Inc. | 4861 |
7 |
| General Electric Company | 13808 |
5 |
| Appotronics Corporation Limited | 1115 |
5 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 487 |
5 |
| Sumitomo Osaka Cement Co., Ltd. | 850 |
5 |
| Toto Ltd. | 1179 |
5 |
| Jiangsu Normal University | 32 |
5 |
| Xuzhou All-to Photoelectric Technology Co., Ltd. | 12 |
5 |
| Niterra Co., Ltd. | 1278 |
5 |
| NEC Corporation | 35734 |
4 |
| Other owners | 280 |