- All sections
- C - Chemistry; metallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatings; electroforming; joining workpieces by electrolysis; apparatus therefor
- C25D 5/36 - Pretreatment of metallic surfaces to be electroplated of iron or steel
Patent holdings for IPC class C25D 5/36
Total number of patents in this class: 302
10-year publication summary
|
32
|
31
|
32
|
31
|
29
|
25
|
25
|
16
|
27
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 5649 |
42 |
| JFE Steel Corporation | 6067 |
30 |
| ArcelorMittal | 1887 |
17 |
| Toyo Kohan Co., Ltd. | 413 |
10 |
| Vallourec Oil and Gas France | 450 |
8 |
| POSCO | 2222 |
7 |
| Tata Steel Ijmuiden B.V. | 283 |
6 |
| ThyssenKrupp Steel Europe AG | 924 |
6 |
| The Boeing Company | 19843 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
5 |
| Hutchinson Technology Incorporated | 310 |
4 |
| POSCO Co., Ltd. | 1059 |
4 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| Robert Bosch GmbH | 40953 |
3 |
| Henkel AG & Co. KGaA | 10129 |
3 |
| HARTING KGaA | 10 |
3 |
| Nucor Corporation | 425 |
3 |
| Savroc Ltd | 25 |
3 |
| Teck Metals Ltd. | 23 |
3 |
| ThyssenKrupp Rasselstein GmbH | 72 |
3 |
| Other owners | 134 |