- 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 2/20 - StripsPlates
Patent holdings for IPC class C23C 2/20
Total number of patents in this class: 348
10-year publication summary
|
24
|
23
|
17
|
24
|
21
|
25
|
31
|
27
|
33
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2672 |
58 |
| POSCO Co., Ltd. | 2012 |
42 |
| JFE Steel Corporation | 7527 |
33 |
| Nippon Steel Corporation | 6871 |
25 |
| Fontaine Engineering und Maschinen GmbH | 30 |
20 |
| POSCO | 2143 |
19 |
| Tata Steel Ijmuiden B.V. | 326 |
13 |
| Cockerill Maintenance & Ingenierie SA | 79 |
9 |
| ThyssenKrupp Steel Europe AG | 990 |
9 |
| Primetals Technologies Japan, Ltd. | 180 |
8 |
| Voestalpine Stahl GmbH | 388 |
8 |
| ArcelorMittal Investigacion y Desarrollo SL | 207 |
7 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
7 |
| Hyundai Steel Company | 531 |
7 |
| Nisshin Steel Co., Ltd. | 382 |
6 |
| Tata Steel Nederland Technology BV | 161 |
6 |
| John Cockerill S.A. | 104 |
6 |
| Baoshan Iron & Steel Co., Ltd. | 1102 |
5 |
| Samwooeco Co., Ltd. | 5 |
5 |
| BlueScope Steel Limited | 211 |
4 |
| Other owners | 51 |