- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment 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: 2726
10-year publication summary
|
206
|
224
|
297
|
299
|
294
|
204
|
206
|
191
|
218
|
55
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6306 |
57 |
| NGK Insulators, Ltd. | 4589 |
57 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 475 |
57 |
| Corning Incorporated | 9932 |
54 |
| Murata Manufacturing Co., Ltd. | 22355 |
42 |
| Canon Inc. | 36841 |
39 |
| Centre National de La Recherche Scientifique | 9632 |
39 |
| General Electric Company | 18133 |
31 |
| TDK Electronics AG | 863 |
30 |
| Quantumscape Battery, Inc. | 168 |
29 |
| Saint-Gobain Ceramics & Plastics, Inc. | 812 |
27 |
| Rtx Corporation | 8674 |
26 |
| 3m Innovative Properties Company | 18406 |
23 |
| Sumitomo Electric Industries, Ltd. | 14131 |
21 |
| Refractory Intellectual Property GmbH & Co. KG | 502 |
21 |
| Taiyo Yuden Co., Ltd. | 1809 |
21 |
| Kyocera Corporation | 12735 |
20 |
| SGL Carbon SE | 388 |
17 |
| Imertech SAS | 224 |
17 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
16 |
| Other owners | 2082 |