- 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: 104
10-year publication summary
|
0
|
0
|
1
|
1
|
1
|
2
|
6
|
33
|
49
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 13344 |
11 |
| Sumitomo Electric Industries, Ltd. | 14972 |
8 |
| Sumitomo Electric Hardmetal Corp. | 1006 |
8 |
| The Regents of the University of California | 19517 |
5 |
| Sandvik Mining and Construction Tools AB | 163 |
5 |
| Hyperion Materials & Technologies, Inc. | 18 |
5 |
| AB Sandvik Coromant | 214 |
4 |
| Mitsubishi Materials Corporation | 2406 |
3 |
| SuperMetalix, Inc. | 14 |
3 |
| NTK Cutting Tools Co., Ltd. | 39 |
3 |
| The Boeing Company | 19911 |
2 |
| Seiko Epson Corporation | 18989 |
2 |
| Diamond Innovations, Inc. | 237 |
2 |
| Magotteaux International S.A. | 120 |
2 |
| Oulun Yliopisto | 93 |
2 |
| KSB SE & Co. KGaA | 674 |
2 |
| HPL Technologies GmbH | 27 |
2 |
| Industrial Technology Research Institute | 4959 |
1 |
| Betek GmbH & Co. KG | 142 |
1 |
| Central South University | 404 |
1 |
| Other owners | 32 |