- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/447 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on phosphates
Patent holdings for IPC class C04B 35/447
Total number of patents in this class: 319
10-year publication summary
|
23
|
30
|
25
|
30
|
28
|
22
|
21
|
25
|
10
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10258 |
16 |
| Safran Ceramics | 407 |
10 |
| Latitude 18, Inc. | 25 |
9 |
| Safran Aircraft Engines | 6271 |
9 |
| Nippon Chemical Industrial Co., Ltd. | 282 |
8 |
| SAFRAN S.A. | 614 |
6 |
| Sofsera Corporation | 27 |
6 |
| Nanovis, LLC | 36 |
5 |
| Toagosei Co., Ltd. | 969 |
5 |
| Centre National de La Recherche Scientifique | 10418 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3799 |
4 |
| Kuraray Co., Ltd. | 3503 |
4 |
| Ohara Inc. | 217 |
4 |
| Quantum Energy Research Centre (q-centre) | 7 |
4 |
| FUJIFILM Corporation | 29329 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
3 |
| Genesis Research Institute, Inc. | 25 |
3 |
| Kobelco Research Institute, Inc. | 124 |
3 |
| Nippon Electric Glass Co., Ltd. | 2454 |
3 |
| The Penn State Research Foundation | 1516 |
3 |
| Other owners | 207 |