- 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: 211
10-year publication summary
|
0
|
1
|
1
|
3
|
4
|
10
|
34
|
50
|
60
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16396 |
21 |
| Kyocera Corporation | 14404 |
21 |
| Sumitomo Electric Hardmetal Corp. | 1102 |
16 |
| Mitsubishi Materials Corporation | 2473 |
11 |
| Hyperion Materials & Technologies, Inc. | 28 |
11 |
| AB Sandvik Coromant | 303 |
9 |
| Sandvik Mining and Construction Tools AB | 199 |
8 |
| The Regents of the University of California | 20790 |
5 |
| Fuji Die Co., Ltd. | 19 |
4 |
| Magotteaux International S.A. | 121 |
4 |
| NTK Cutting Tools Co., Ltd. | 40 |
4 |
| A.L.M.T. Corp. | 241 |
3 |
| SECO Tools AB | 448 |
3 |
| SuperMetalix, Inc. | 14 |
3 |
| KSB SE & Co. KGaA | 738 |
3 |
| MMC Ryotec Corporation | 22 |
3 |
| The Boeing Company | 20168 |
2 |
| Seiko Epson Corporation | 20288 |
2 |
| Betek GmbH & Co. KG | 159 |
2 |
| C4 Carbides Limited | 21 |
2 |
| Other owners | 74 |