- All sections
- C - Chemistrymetallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpieces by electrolysisapparatus therefor
- C25D 5/26 - Electroplating of metal surfaces to which a coating cannot readily be applied of iron or steel surfaces
Patent holdings for IPC class C25D 5/26
Total number of patents in this class: 349
10-year publication summary
|
27
|
20
|
15
|
19
|
13
|
21
|
14
|
19
|
22
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7617 |
109 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
60 |
| Nippon Steel Corporation | 6969 |
55 |
| Toyo Kohan Co., Ltd. | 437 |
47 |
| Vallourec Oil and Gas France | 453 |
9 |
| Sumitomo Electric Industries, Ltd. | 16345 |
4 |
| Baoshan Iron & Steel Co., Ltd. | 1126 |
4 |
| Nisshin Steel Co., Ltd. | 382 |
4 |
| The Furukawa Electric Co., Ltd. | 3692 |
3 |
| Nippon Steel & Sumikin Materials Co., Ltd. | 75 |
3 |
| Toyo Seikan Co., Ltd. | 625 |
3 |
| Sumitomo Rubber Industries, Ltd. | 4737 |
2 |
| Daido Steel Co., Ltd. | 286 |
2 |
| Daiwa Fine Chemicals Co., Ltd. (laboratory) | 5 |
2 |
| JX Nippon Mining & Metals Corporation | 1456 |
2 |
| Nihon Parkerizing Co., Ltd. | 297 |
2 |
| Sumitomo Electric Tochigi Co., Ltd. | 24 |
2 |
| Sumitomo (SEI) Steel Wire Corp. | 32 |
2 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12323 |
2 |
| Hitachi Metals, Ltd. | 1823 |
1 |
| Other owners | 31 |