- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/626 - Preparing or treating the powders individually or as batches
Patent holdings for IPC class C04B 35/626
Total number of patents in this class: 3008
10-year publication summary
|
220
|
285
|
294
|
285
|
195
|
206
|
195
|
215
|
195
|
129
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
61 |
| Corning Incorporated | 10336 |
60 |
| NGK Insulators, Ltd. | 5115 |
58 |
| TDK Corporation | 6878 |
56 |
| Centre National de La Recherche Scientifique | 10595 |
44 |
| Murata Manufacturing Co., Ltd. | 24843 |
40 |
| Canon Inc. | 40623 |
39 |
| Quantumscape Battery, Inc. | 196 |
39 |
| General Electric Company | 13856 |
32 |
| TDK Electronics AG | 960 |
30 |
| Saint-Gobain Ceramics & Plastics, Inc. | 836 |
28 |
| Rtx Corporation | 9495 |
28 |
| 3m Innovative Properties Company | 17762 |
24 |
| Refractory Intellectual Property GmbH & Co. KG | 543 |
23 |
| Taiyo Yuden Co., Ltd. | 1976 |
23 |
| Sumitomo Electric Industries, Ltd. | 15668 |
21 |
| Samsung Electro-mechanics Co., Ltd. | 5668 |
20 |
| Kyocera Corporation | 13997 |
20 |
| Tosoh Corporation | 1327 |
19 |
| Applied Materials, Inc. | 19005 |
17 |
| Other owners | 2326 |