- All sections
- C - Chemistrymetallurgy
- C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 4/06 - Metallic material
Patent holdings for IPC class C23C 4/06
Total number of patents in this class: 737
10-year publication summary
|
68
|
47
|
57
|
36
|
37
|
28
|
37
|
33
|
25
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tocalo Co., Ltd. | 108 |
21 |
| Rtx Corporation | 9802 |
18 |
| Federal-Mogul Burscheid GmbH | 280 |
16 |
| Nippon Steel Corporation | 6666 |
14 |
| Fujimi Incorporated | 771 |
13 |
| Oerlikon Metco (US) Inc. | 215 |
12 |
| Siemens AG | 24314 |
10 |
| Praxair S.T. Technology, Inc. | 120 |
10 |
| ULVAC, Inc. | 1369 |
10 |
| General Electric Company | 13811 |
8 |
| Nippon Steel & Sumikin Hardfacing Co., Ltd. | 22 |
8 |
| Persimmon Technologies, Corp. | 157 |
7 |
| SMS Group GmbH | 1154 |
7 |
| GE Infrastructure Technology, LLC | 6208 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8999 |
6 |
| Federal-Mogul Powertrain LLC | 268 |
6 |
| Westinghouse Electric Company LLC | 1179 |
6 |
| Tokyo Electron Limited | 13459 |
5 |
| Caterpillar Inc. | 10025 |
5 |
| MAHLE International GmbH | 2864 |
5 |
| Other owners | 543 |