- All sections
- C - Chemistry; metallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatings; electroforming; joining workpieces by electrolysis; apparatus 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: 308
10-year publication summary
20
|
35
|
27
|
20
|
15
|
19
|
13
|
21
|
14
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6067 |
84 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
60 |
Nippon Steel Corporation | 5649 |
43 |
Toyo Kohan Co., Ltd. | 413 |
39 |
Vallourec Oil and Gas France | 450 |
11 |
Nisshin Steel Co., Ltd. | 401 |
4 |
Nippon Steel & Sumikin Materials Co., Ltd. | 78 |
3 |
Sumitomo (SEI) Steel Wire Corp. | 48 |
3 |
Toyo Seikan Co., Ltd. | 515 |
3 |
Sumitomo Electric Industries, Ltd. | 14131 |
2 |
Sumitomo Rubber Industries, Ltd. | 4421 |
2 |
The Furukawa Electric Co., Ltd. | 3486 |
2 |
Daido Steel Co., Ltd. | 237 |
2 |
Daiwa Fine Chemicals Co., Ltd. (laboratory) | 5 |
2 |
DIPSOL Chemicals Co., Ltd. | 57 |
2 |
FDK Energy Co., Ltd. | 13 |
2 |
JX Nippon Mining & Metals Corporation | 1576 |
2 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
Osaka Gas Co., Ltd. | 312 |
2 |
Sumitomo Electric Tochigi Co., Ltd. | 34 |
2 |
Other owners | 36 |