- 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 2/20 - Strips; Plates
Patent holdings for IPC class C23C 2/20
Total number of patents in this class: 270
10-year publication summary
15
|
21
|
23
|
23
|
17
|
24
|
21
|
25
|
30
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ArcelorMittal | 1887 |
41 |
JFE Steel Corporation | 6067 |
23 |
POSCO Co., Ltd. | 1059 |
22 |
Fontaine Engineering und Maschinen GmbH | 32 |
19 |
POSCO | 2222 |
18 |
Nippon Steel Corporation | 5649 |
14 |
Tata Steel Ijmuiden B.V. | 283 |
10 |
Cockerill Maintenance & Ingenierie SA | 82 |
9 |
Primetals Technologies Japan, Ltd. | 143 |
8 |
ArcelorMittal Investigacion y Desarrollo SL | 209 |
7 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
7 |
Nisshin Steel Co., Ltd. | 401 |
6 |
Tata Steel Nederland Technology BV | 143 |
6 |
ThyssenKrupp Steel Europe AG | 924 |
6 |
John Cockerill S.A. | 111 |
5 |
Samwooeco Co., Ltd. | 5 |
5 |
BlueScope Steel Limited | 223 |
4 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
4 |
Baoshan Iron & Steel Co., Ltd. | 832 |
3 |
Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 44 |
3 |
Other owners | 50 |