- 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 35/584 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon nitride
Patent holdings for IPC class C04B 35/584
Total number of patents in this class: 464
10-year publication summary
|
29
|
29
|
37
|
33
|
49
|
23
|
39
|
38
|
26
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Materials Co., Ltd. | 600 |
27 |
| Denka Company Limited | 2189 |
19 |
| Safran Ceramics | 366 |
18 |
| NGK Insulators, Ltd. | 4589 |
17 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
14 |
| Kyocera Corporation | 12735 |
13 |
| Toshiba Corporation | 12017 |
10 |
| Corning Incorporated | 9932 |
10 |
| General Electric Company | 18133 |
8 |
| Safran Aircraft Engines | 5739 |
8 |
| SAFRAN S.A. | 518 |
7 |
| BASF SE | 19740 |
6 |
| Applied Materials, Inc. | 16587 |
6 |
| Shanghai Institute of Ceramics, Chinese Academy of Sciences | 153 |
6 |
| SiNtx Technologies, Inc. | 65 |
6 |
| Sinoma Advanced Nitride Ceramics Co., Ltd. | 15 |
6 |
| NGK Spark Plug Co., Ltd. | 935 |
5 |
| Comadur S.A. | 81 |
5 |
| Guangdong University of Technology | 466 |
5 |
| Lumileds LLC | 1827 |
5 |
| Other owners | 263 |