- 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: 2488
10-year publication summary
|
181
|
173
|
180
|
177
|
193
|
153
|
153
|
149
|
143
|
75
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10300 |
372 |
| NGK Insulators, Ltd. | 5016 |
325 |
| Ibiden Co., Ltd. | 1716 |
92 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 493 |
52 |
| Hitachi Metals, Ltd. | 1973 |
48 |
| Denka Company Limited | 2600 |
43 |
| Sumitomo Chemical Company, Limited | 9047 |
38 |
| Denso Corporation | 24431 |
25 |
| 3m Innovative Properties Company | 17795 |
23 |
| Kyocera Corporation | 13909 |
21 |
| Saint-Gobain Ceramics & Plastics, Inc. | 837 |
19 |
| Centre National de La Recherche Scientifique | 10516 |
18 |
| Dow Global Technologies LLC | 10402 |
18 |
| Mitsui Mining & Smelting Co., Ltd. | 1502 |
16 |
| BASF SE | 20979 |
15 |
| EM-TECH. Co., Ltd. | 85 |
15 |
| Technologies Avancees & Membranes Industrielles | 39 |
13 |
| Group14 Technologies, Inc. | 109 |
11 |
| Johnson Matthey Public Limited Company | 1867 |
11 |
| Technologies Avancees et Membranes Industrielles | 22 |
11 |
| Other owners | 1302 |