- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
Patent holdings for IPC class C22C 1/051
Total number of patents in this class: 135
10-year publication summary
|
0
|
0
|
1
|
1
|
2
|
3
|
8
|
34
|
49
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 13799 |
15 |
| Sumitomo Electric Industries, Ltd. | 15483 |
13 |
| Sumitomo Electric Hardmetal Corp. | 1021 |
8 |
| Hyperion Materials & Technologies, Inc. | 23 |
8 |
| Sandvik Mining and Construction Tools AB | 174 |
6 |
| The Regents of the University of California | 19918 |
5 |
| AB Sandvik Coromant | 239 |
4 |
| Mitsubishi Materials Corporation | 2443 |
4 |
| NTK Cutting Tools Co., Ltd. | 42 |
4 |
| Magotteaux International S.A. | 122 |
3 |
| SuperMetalix, Inc. | 14 |
3 |
| MMC Ryotec Corporation | 30 |
3 |
| The Boeing Company | 20043 |
2 |
| Seiko Epson Corporation | 19352 |
2 |
| C4 Carbides Limited | 22 |
2 |
| Central South University | 437 |
2 |
| Diamond Innovations, Inc. | 236 |
2 |
| Element Six GmbH | 105 |
2 |
| Fuji Die Co., Ltd. | 15 |
2 |
| Fujimi Incorporated | 742 |
2 |
| Other owners | 43 |