- All sections
- C - Chemistry; metallurgy
- C22C - Alloys
- C22C 29/02 - 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
Patent holdings for IPC class C22C 29/02
Total number of patents in this class: 234
10-year publication summary
|
13
|
25
|
28
|
22
|
20
|
11
|
8
|
14
|
7
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sandvik Intellectual Property AB | 1634 |
24 |
| Sumitomo Electric Industries, Ltd. | 14131 |
13 |
| Kennametal Inc. | 1380 |
10 |
| Weir Minerals Australia, Ltd. | 309 |
9 |
| Hyperion Materials & Technologies (Sweden) AB | 75 |
8 |
| Kyocera Corporation | 12735 |
7 |
| Sumitomo Electric Hardmetal Corp. | 969 |
6 |
| Alcoa USA Corp. | 187 |
4 |
| Mitsubishi Materials Corporation | 2378 |
4 |
| Sandvik Machining Solutions AB | 56 |
4 |
| Hitachi Metals, Ltd. | 2175 |
3 |
| Komatsu Ltd. | 4265 |
3 |
| A.L.M.T. Corp. | 209 |
3 |
| Ceratizit Austria Gesellschaft mbH | 118 |
3 |
| Element Six GmbH | 99 |
3 |
| Nippon Steel Corporation | 5649 |
3 |
| Nippon Tungsten Co., Ltd. | 46 |
3 |
| Oerlikon Metco (US) Inc. | 202 |
3 |
| Tocalo Co., Ltd. | 94 |
3 |
| Tungaloy Corporation | 481 |
3 |
| Other owners | 115 |