- 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 38/00 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
Patent holdings for IPC class C04B 38/00
Total number of patents in this class: 2377
10-year publication summary
|
201
|
191
|
178
|
187
|
181
|
195
|
151
|
154
|
147
|
42
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
346 |
| NGK Insulators, Ltd. | 4589 |
319 |
| Ibiden Co., Ltd. | 1724 |
97 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 475 |
50 |
| Hitachi Metals, Ltd. | 2175 |
48 |
| Denka Company Limited | 2189 |
41 |
| Sumitomo Chemical Company, Limited | 8808 |
26 |
| Denso Corporation | 23338 |
25 |
| 3m Innovative Properties Company | 18406 |
24 |
| Kyocera Corporation | 12735 |
22 |
| Saint-Gobain Ceramics & Plastics, Inc. | 812 |
19 |
| Centre National de La Recherche Scientifique | 9632 |
18 |
| Dow Global Technologies LLC | 10147 |
18 |
| BASF SE | 19740 |
15 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
14 |
| Robert Bosch GmbH | 40953 |
13 |
| Technologies Avancees & Membranes Industrielles | 36 |
13 |
| EM-TECH. Co., Ltd. | 65 |
12 |
| Group14 Technologies, Inc. | 73 |
11 |
| Technologies Avancees et Membranes Industrielles | 23 |
11 |
| Other owners | 1235 |