- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/622 - Forming processesProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products
Patent holdings for IPC class C04B 35/622
Total number of patents in this class: 1901
10-year publication summary
|
120
|
170
|
161
|
169
|
121
|
148
|
169
|
144
|
142
|
88
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Quantumscape Battery, Inc. | 196 |
44 |
| Rtx Corporation | 9461 |
43 |
| General Electric Company | 13858 |
30 |
| Corning Incorporated | 10320 |
30 |
| Applied Materials, Inc. | 18932 |
27 |
| NGK Insulators, Ltd. | 5103 |
23 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
21 |
| Safran Ceramics | 412 |
20 |
| Murata Manufacturing Co., Ltd. | 24813 |
19 |
| Rolls-Royce Corporation | 1760 |
16 |
| Centre National de La Recherche Scientifique | 10564 |
15 |
| Guangdong University of Technology | 589 |
15 |
| Hengdian Group Dmegc Magnetics Co., Ltd | 169 |
15 |
| Refractory Intellectual Property GmbH & Co. KG | 542 |
13 |
| Saint-Gobain Ceramics & Plastics, Inc. | 836 |
12 |
| Toshiba Corporation | 12500 |
11 |
| Denka Company Limited | 2629 |
10 |
| HRL Laboratories, LLC | 1602 |
10 |
| Unifrax I LLC | 242 |
10 |
| PI Advanced Materials Co., Ltd. | 204 |
10 |
| Other owners | 1507 |