- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating 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: 2566
10-year publication summary
177
|
209
|
220
|
231
|
264
|
229
|
194
|
211
|
238
|
85
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6067 |
532 |
Nippon Steel Corporation | 5649 |
435 |
ArcelorMittal | 1887 |
297 |
POSCO | 2222 |
156 |
POSCO Co., Ltd. | 1059 |
152 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
106 |
ThyssenKrupp Steel Europe AG | 924 |
81 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
46 |
Nisshin Steel Co., Ltd. | 401 |
46 |
ArcelorMittal Investigacion y Desarrollo SL | 209 |
45 |
Baoshan Iron & Steel Co., Ltd. | 832 |
42 |
Tata Steel Ijmuiden B.V. | 283 |
42 |
Voestalpine Stahl GmbH | 311 |
40 |
BlueScope Steel Limited | 223 |
28 |
ThyssenKrupp AG | 3086 |
26 |
Fontaine Holdings NV | 55 |
25 |
JFE Galvanizing & Coating Co., Ltd. | 31 |
18 |
Salzgitter Flachstahl GmbH | 155 |
18 |
ArcelorMittal France | 102 |
15 |
Hyundai Steel Company | 310 |
15 |
Other owners | 401 |