- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/195 - Alkaline earth aluminosilicates, e.g. cordierite
Patent holdings for IPC class C04B 35/195
Total number of patents in this class: 528
10-year publication summary
|
41
|
39
|
45
|
34
|
37
|
20
|
27
|
13
|
15
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10252 |
194 |
| NGK Insulators, Ltd. | 4941 |
62 |
| Hitachi Metals, Ltd. | 1985 |
31 |
| Murata Manufacturing Co., Ltd. | 24465 |
18 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
14 |
| Kyocera Corporation | 13784 |
11 |
| Denso Corporation | 24230 |
8 |
| Robert Bosch GmbH | 42632 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10924 |
6 |
| Rtx Corporation | 9332 |
6 |
| Centre National de La Recherche Scientifique | 10414 |
5 |
| Massachusetts Institute of Technology | 10036 |
5 |
| Sumitomo Chemical Company, Limited | 9040 |
5 |
| Krosakiharima Corporation | 283 |
5 |
| General Electric Company | 13811 |
4 |
| Nichias Corporation | 392 |
4 |
| Agc, Inc. | 4816 |
4 |
| Dow Global Technologies LLC | 10373 |
3 |
| Asahi Glass Company, Limited | 2799 |
3 |
| Ibiden Co., Ltd. | 1703 |
3 |
| Other owners | 131 |