- 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 2/06 - Zinc or cadmium or alloys based thereon
Patent holdings for IPC class C23C 2/06
Total number of patents in this class: 2808
10-year publication summary
209
|
221
|
232
|
264
|
229
|
194
|
213
|
250
|
271
|
90
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6730 |
586 |
Nippon Steel Corporation | 6139 |
510 |
ArcelorMittal | 2197 |
314 |
POSCO Co., Ltd. | 1381 |
183 |
POSCO | 2188 |
156 |
Nippon Steel & Sumitomo Metal Corporation | 1987 |
106 |
ThyssenKrupp Steel Europe AG | 950 |
90 |
Baoshan Iron & Steel Co., Ltd. | 950 |
55 |
Voestalpine Stahl GmbH | 353 |
49 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2866 |
46 |
Nisshin Steel Co., Ltd. | 398 |
46 |
ArcelorMittal Investigacion y Desarrollo SL | 209 |
45 |
Tata Steel Ijmuiden B.V. | 304 |
42 |
BlueScope Steel Limited | 212 |
29 |
Fontaine Holdings NV | 59 |
29 |
ThyssenKrupp AG | 3254 |
26 |
Hyundai Steel Company | 389 |
24 |
Salzgitter Flachstahl GmbH | 158 |
21 |
JFE Galvanizing & Coating Co., Ltd. | 32 |
19 |
Kobe Steel, Ltd. | 871 |
13 |
Other owners | 419 |