- 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: 323
10-year publication summary
|
35
|
27
|
20
|
15
|
19
|
13
|
21
|
14
|
19
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6557 |
88 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
60 |
| Nippon Steel Corporation | 6012 |
50 |
| Toyo Kohan Co., Ltd. | 412 |
44 |
| Vallourec Oil and Gas France | 461 |
11 |
| Nisshin Steel Co., Ltd. | 398 |
4 |
| Sumitomo Electric Industries, Ltd. | 14972 |
3 |
| Nippon Steel & Sumikin Materials Co., Ltd. | 78 |
3 |
| Sumitomo (SEI) Steel Wire Corp. | 45 |
3 |
| Toyo Seikan Co., Ltd. | 565 |
3 |
| Sumitomo Rubber Industries, Ltd. | 4406 |
2 |
| The Furukawa Electric Co., Ltd. | 3600 |
2 |
| Daido Steel Co., Ltd. | 258 |
2 |
| Daiwa Fine Chemicals Co., Ltd. (laboratory) | 5 |
2 |
| JX Nippon Mining & Metals Corporation | 1524 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2906 |
2 |
| Osaka Gas Co., Ltd. | 320 |
2 |
| Sumitomo Electric Tochigi Co., Ltd. | 31 |
2 |
| Voestalpine Stahl GmbH | 344 |
2 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13086 |
2 |
| Other owners | 34 |