- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 29/04 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbonitrides
Patent holdings for IPC class C22C 29/04
Total number of patents in this class: 100
10-year publication summary
|
12
|
7
|
8
|
7
|
6
|
2
|
7
|
5
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14278 |
23 |
| Sumitomo Electric Industries, Ltd. | 16191 |
14 |
| Mitsubishi Materials Corporation | 2465 |
9 |
| Tungaloy Corporation | 533 |
7 |
| Sumitomo Electric Hardmetal Corp. | 1093 |
6 |
| Magotteaux International S.A. | 121 |
5 |
| NTK Cutting Tools Co., Ltd. | 39 |
4 |
| Kennametal Inc. | 1360 |
3 |
| SECO Tools AB | 448 |
3 |
| Chongqing University of Arts and Sciences | 82 |
2 |
| Hitachi Metals, Ltd. | 1916 |
1 |
| NGK Insulators, Ltd. | 5223 |
1 |
| Showa Denko K.K. | 2090 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5202 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
1 |
| AB Sandvik Coromant | 275 |
1 |
| A.L.M.T. Corp. | 240 |
1 |
| Aurubis Stolberg GmbH & Co. KG | 14 |
1 |
| CB Ceratizit Luxembourg S.A. | 4 |
1 |
| Ceratizit Austria Gesellschaft mbH | 117 |
1 |
| Other owners | 14 |