- 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: 308
10-year publication summary
|
31
|
32
|
31
|
29
|
25
|
25
|
16
|
27
|
16
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 5982 |
42 |
| JFE Steel Corporation | 6527 |
30 |
| ArcelorMittal | 2047 |
18 |
| Toyo Kohan Co., Ltd. | 410 |
10 |
| Vallourec Oil and Gas France | 461 |
8 |
| POSCO | 2204 |
7 |
| Tata Steel Ijmuiden B.V. | 300 |
7 |
| POSCO Co., Ltd. | 1290 |
6 |
| The Boeing Company | 19900 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
5 |
| ThyssenKrupp Steel Europe AG | 953 |
5 |
| Hutchinson Technology Incorporated | 310 |
4 |
| United States Steel Corporation | 173 |
4 |
| Honda Motor Co., Ltd. | 24855 |
3 |
| Robert Bosch GmbH | 41695 |
3 |
| HARTING KGaA | 9 |
3 |
| Nucor Corporation | 421 |
3 |
| Savroc Ltd | 26 |
3 |
| Teck Metals Ltd. | 23 |
3 |
| ThyssenKrupp Rasselstein GmbH | 72 |
3 |
| Other owners | 136 |