- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof
Patent holdings for IPC class C04B 38/00
Total number of patents in this class: 2523
10-year publication summary
|
178
|
187
|
184
|
199
|
153
|
158
|
153
|
145
|
106
|
58
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10510 |
363 |
| NGK Insulators, Ltd. | 5239 |
326 |
| Ibiden Co., Ltd. | 1667 |
92 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 495 |
50 |
| Hitachi Metals, Ltd. | 1896 |
48 |
| Denka Company Limited | 2728 |
44 |
| Sumitomo Chemical Company, Limited | 8968 |
38 |
| Denso Corporation | 25579 |
24 |
| 3m Innovative Properties Company | 17481 |
23 |
| Centre National de La Recherche Scientifique | 11026 |
21 |
| Kyocera Corporation | 14383 |
21 |
| Dow Global Technologies LLC | 10960 |
18 |
| Saint-Gobain Ceramics & Plastics, Inc. | 806 |
17 |
| Mitsui Mining & Smelting Co., Ltd. | 1095 |
15 |
| EM-TECH. Co., Ltd. | 87 |
15 |
| BASF SE | 21308 |
14 |
| Technologies Avancees & Membranes Industrielles | 39 |
13 |
| Aspen Aerogels, Inc. | 258 |
11 |
| Group14 Technologies, Inc. | 120 |
11 |
| Johnson Matthey Public Limited Company | 1761 |
11 |
| Other owners | 1348 |