- 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 35/58 - 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
Patent holdings for IPC class C04B 35/58
Total number of patents in this class: 665
10-year publication summary
44
|
56
|
60
|
63
|
78
|
56
|
54
|
41
|
43
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Electric Industries, Ltd. | 14131 |
21 |
Tosoh Corporation | 1127 |
19 |
Mitsubishi Materials Corporation | 2378 |
18 |
General Electric Company | 18133 |
16 |
NGK Insulators, Ltd. | 4589 |
16 |
Safran Ceramics | 366 |
16 |
Kyocera Corporation | 12735 |
11 |
Safran Aircraft Engines | 5739 |
11 |
Saint-Gobain Ceramics & Plastics, Inc. | 812 |
11 |
Alcoa USA Corp. | 187 |
10 |
TDK Corporation | 6306 |
9 |
Centre National de La Recherche Scientifique | 9632 |
8 |
Corning Incorporated | 9932 |
8 |
The United States of America as represented by the Secretary of the Navy | 2734 |
8 |
HRL Laboratories, LLC | 1588 |
8 |
BASF SE | 19740 |
7 |
SAFRAN S.A. | 518 |
7 |
Diamond Innovations, Inc. | 241 |
7 |
Powdermet, Inc. | 45 |
7 |
Saint-Gobain Centre de Recherches et d'Etudes Europeen | 475 |
7 |
Other owners | 440 |