- 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: 3091
10-year publication summary
|
285
|
294
|
285
|
196
|
207
|
196
|
218
|
195
|
162
|
40
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 493 |
64 |
| Corning Incorporated | 10406 |
62 |
| NGK Insulators, Ltd. | 5180 |
59 |
| TDK Corporation | 6805 |
56 |
| Centre National de La Recherche Scientifique | 10846 |
46 |
| Quantumscape Battery, Inc. | 209 |
40 |
| Canon Inc. | 42139 |
39 |
| Murata Manufacturing Co., Ltd. | 25464 |
39 |
| General Electric Company | 13811 |
33 |
| TDK Electronics AG | 997 |
30 |
| Rtx Corporation | 9831 |
30 |
| Saint-Gobain Ceramics & Plastics, Inc. | 809 |
27 |
| Refractory Intellectual Property GmbH & Co. KG | 557 |
25 |
| 3m Innovative Properties Company | 17536 |
24 |
| Taiyo Yuden Co., Ltd. | 2013 |
23 |
| Sumitomo Electric Industries, Ltd. | 16061 |
21 |
| Samsung Electro-mechanics Co., Ltd. | 5805 |
21 |
| Kyocera Corporation | 14233 |
20 |
| Tosoh Corporation | 1384 |
20 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10975 |
18 |
| Other owners | 2394 |