- 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 2/38 - WiresTubes
Patent holdings for IPC class C23C 2/38
Total number of patents in this class: 136
10-year publication summary
|
13
|
12
|
20
|
15
|
2
|
6
|
9
|
5
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6895 |
8 |
| KISWire Ltd. | 34 |
7 |
| NV Bekaert SA | 725 |
7 |
| Daiwa Steel Tube Industries Co., Ltd. | 11 |
6 |
| Nisshin Steel Co., Ltd. | 382 |
6 |
| Fontaine Holdings NV | 63 |
5 |
| Sumitomo Electric Industries, Ltd. | 16355 |
4 |
| Hongduk Industrial Co., Ltd. | 21 |
4 |
| JFE Steel Corporation | 7549 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
4 |
| POSCO Co., Ltd. | 2015 |
4 |
| USA Intellectual Property Holding, Inc. | 7 |
4 |
| Abbott Cardiovascular Systems, Inc. | 1017 |
3 |
| Western Technologies, Inc. | 5 |
3 |
| Druids Process Technology, S.L. | 10 |
3 |
| SNECMA S.A. | 1146 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
2 |
| European Space Agency | 198 |
2 |
| Neturen Co., Ltd. | 198 |
2 |
| Safran Aircraft Engines | 6704 |
2 |
| Other owners | 54 |