- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 29/16 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on nitrides
Patent holdings for IPC class C22C 29/16
Total number of patents in this class: 183
10-year publication summary
|
14
|
15
|
14
|
11
|
14
|
16
|
9
|
5
|
5
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16331 |
19 |
| Sumitomo Electric Hardmetal Corp. | 1100 |
18 |
| Kyocera Corporation | 14359 |
15 |
| Mitsubishi Materials Corporation | 2472 |
7 |
| Weir Minerals Australia, Ltd. | 310 |
5 |
| Kennametal Inc. | 1354 |
4 |
| Tungaloy Corporation | 538 |
4 |
| Halliburton Energy Services, Inc. | 21338 |
3 |
| Element Six Abrasives S.A. | 145 |
3 |
| Regents of the University of Minnesota | 2789 |
3 |
| Tosoh Corporation | 1417 |
3 |
| Terves, LLC | 53 |
3 |
| Centre National de La Recherche Scientifique | 11023 |
2 |
| Seiko Epson Corporation | 20256 |
2 |
| Corning Incorporated | 10504 |
2 |
| NGK Insulators, Ltd. | 5236 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
2 |
| Smith International, Inc. | 695 |
2 |
| Diamond Innovations, Inc. | 235 |
2 |
| Fujimi Incorporated | 802 |
2 |
| Other owners | 80 |