- 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: 2908
10-year publication summary
|
224
|
297
|
301
|
294
|
205
|
207
|
192
|
221
|
194
|
52
|
| 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 | 489 |
59 |
| NGK Insulators, Ltd. | 4853 |
58 |
| TDK Corporation | 6626 |
56 |
| Corning Incorporated | 10146 |
56 |
| Centre National de La Recherche Scientifique | 10202 |
42 |
| Murata Manufacturing Co., Ltd. | 24137 |
40 |
| Canon Inc. | 39005 |
38 |
| Quantumscape Battery, Inc. | 185 |
35 |
| General Electric Company | 17076 |
32 |
| TDK Electronics AG | 915 |
30 |
| Saint-Gobain Ceramics & Plastics, Inc. | 845 |
28 |
| Rtx Corporation | 9242 |
27 |
| 3m Innovative Properties Company | 17865 |
24 |
| Taiyo Yuden Co., Ltd. | 1904 |
23 |
| Sumitomo Electric Industries, Ltd. | 15202 |
21 |
| Refractory Intellectual Property GmbH & Co. KG | 528 |
21 |
| Samsung Electro-mechanics Co., Ltd. | 5362 |
20 |
| Kyocera Corporation | 13548 |
20 |
| Applied Materials, Inc. | 18322 |
17 |
| Safran Ceramics | 401 |
17 |
| Other owners | 2244 |