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  • 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: 3153

10-year publication summary

221
232
264
230
194
216
253
276
263
178
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
JFE Steel Corporation
7617
655
Nippon Steel Corporation
6969
603
ArcelorMittal
2725
342
POSCO Co., Ltd.
2028
251
POSCO
2143
159
Nippon Steel & Sumitomo Metal Corporation
1981
106
ThyssenKrupp Steel Europe AG
996
97
Baoshan Iron & Steel Co., Ltd.
1126
70
Voestalpine Stahl GmbH
390
59
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2842
46
Tata Steel Ijmuiden B.V.
329
46
ArcelorMittal Investigacion y Desarrollo SL
208
44
Nisshin Steel Co., Ltd.
382
43
Hyundai Steel Company
546
42
Fontaine Holdings NV
63
33
BlueScope Steel Limited
203
26
ThyssenKrupp AG
3332
24
Salzgitter Flachstahl GmbH
163
23
JFE Galvanizing & Coating Co., Ltd.
33
19
Kobe Steel, Ltd.
900
15
Other owners 450

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