- 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 35/447 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing 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: 303
10-year publication summary
14
|
23
|
30
|
25
|
30
|
27
|
22
|
21
|
23
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corning Incorporated | 9932 |
15 |
Latitude 18, Inc. | 25 |
9 |
Safran Aircraft Engines | 5739 |
9 |
Safran Ceramics | 366 |
9 |
SAFRAN S.A. | 518 |
6 |
Sofsera Corporation | 28 |
6 |
Nippon Chemical Industrial Co., Ltd. | 267 |
5 |
Centre National de La Recherche Scientifique | 9632 |
4 |
National Institute of Advanced Industrial Science and Technology | 3677 |
4 |
Kuraray Co., Ltd. | 3392 |
4 |
Nanovis, LLC | 31 |
4 |
Ohara Inc. | 200 |
4 |
Quantum Energy Research Centre (q-centre) | 7 |
4 |
FUJIFILM Corporation | 27102 |
3 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
Genesis Research Institute, Inc. | 26 |
3 |
Kaohsiung Medical University | 130 |
3 |
Kobelco Research Institute, Inc. | 115 |
3 |
Nippon Electric Glass Co., Ltd. | 2299 |
3 |
The Penn State Research Foundation | 1423 |
3 |
Other owners | 199 |