- 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: 524
10-year publication summary
|
39
|
45
|
34
|
37
|
20
|
28
|
13
|
16
|
13
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10500 |
182 |
| NGK Insulators, Ltd. | 5232 |
62 |
| Hitachi Metals, Ltd. | 1900 |
31 |
| Murata Manufacturing Co., Ltd. | 25722 |
19 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 493 |
13 |
| Kyocera Corporation | 14335 |
11 |
| Denso Corporation | 25513 |
8 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
6 |
| Rtx Corporation | 10082 |
6 |
| Centre National de La Recherche Scientifique | 11016 |
5 |
| Massachusetts Institute of Technology | 10239 |
5 |
| Sumitomo Chemical Company, Limited | 8996 |
5 |
| Krosakiharima Corporation | 296 |
5 |
| Agc, Inc. | 5502 |
5 |
| General Electric Company | 13888 |
4 |
| Nichias Corporation | 403 |
4 |
| Robert Bosch GmbH | 44128 |
3 |
| Dow Global Technologies LLC | 10930 |
3 |
| Asahi Glass Company, Limited | 2625 |
3 |
| Ibiden Co., Ltd. | 1661 |
3 |
| Other owners | 141 |