- 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 35/195 - Alkaline earth aluminosilicates, e.g. cordierite
Patent holdings for IPC class C04B 35/195
Total number of patents in this class: 526
10-year publication summary
33
|
41
|
39
|
45
|
34
|
37
|
19
|
27
|
13
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corning Incorporated | 9932 |
193 |
NGK Insulators, Ltd. | 4589 |
70 |
Hitachi Metals, Ltd. | 2175 |
31 |
Murata Manufacturing Co., Ltd. | 22355 |
17 |
Saint-Gobain Centre de Recherches et d'Etudes Europeen | 475 |
14 |
Kyocera Corporation | 12735 |
9 |
Denso Corporation | 23338 |
8 |
Robert Bosch GmbH | 40953 |
6 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
6 |
Centre National de La Recherche Scientifique | 9632 |
5 |
Massachusetts Institute of Technology | 9795 |
5 |
Rtx Corporation | 8674 |
5 |
General Electric Company | 18133 |
4 |
Sumitomo Chemical Company, Limited | 8808 |
4 |
Krosakiharima Corporation | 259 |
4 |
Nichias Corporation | 386 |
4 |
Dow Global Technologies LLC | 10147 |
3 |
Asahi Glass Company, Limited | 2985 |
3 |
Ibiden Co., Ltd. | 1724 |
3 |
Appotronics Corporation Limited | 1111 |
3 |
Other owners | 129 |