- 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 35/505 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare earth compounds based on yttrium oxide
Patent holdings for IPC class C04B 35/505
Total number of patents in this class: 351
10-year publication summary
28
|
26
|
37
|
36
|
42
|
30
|
28
|
26
|
28
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Applied Materials, Inc. | 16587 |
49 |
Kyocera Corporation | 12735 |
17 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
17 |
NGK Insulators, Ltd. | 4589 |
11 |
Raytheon Company | 8535 |
10 |
Shibaura Electronics Co., Ltd. | 97 |
9 |
Fujimi Incorporated | 676 |
8 |
General Electric Company | 18133 |
7 |
BASF SE | 19740 |
7 |
Tokyo Electron Limited | 11599 |
7 |
Sumitomo Osaka Cement Co., Ltd. | 783 |
7 |
Toto Ltd. | 1096 |
7 |
Corning Incorporated | 9932 |
6 |
Siemens AG | 24990 |
4 |
ExxonMobil Chemical Patents Inc. | 4286 |
4 |
JX Nippon Mining & Metals Corporation | 1576 |
4 |
Nippon Yttrium Co., Ltd. | 31 |
4 |
Saint-Gobain Centre de Recherches et d'Etudes Europeen | 475 |
4 |
Heraeus Conamic North America LLC | 30 |
4 |
Niterra Co., Ltd. | 1122 |
4 |
Other owners | 161 |