- All sections
- C - Chemistrymetallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpieces by electrolysisapparatus therefor
- C25D 5/50 - After-treatment of electroplated surfaces by heat-treatment
Patent holdings for IPC class C25D 5/50
Total number of patents in this class: 1049
10-year publication summary
|
99
|
87
|
68
|
64
|
63
|
69
|
65
|
62
|
45
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6895 |
61 |
| Toyo Kohan Co., Ltd. | 436 |
56 |
| Sumitomo Electric Industries, Ltd. | 16355 |
47 |
| JFE Steel Corporation | 7549 |
43 |
| Mitsubishi Materials Corporation | 2475 |
42 |
| Sumitomo Wiring Systems, Ltd. | 11029 |
34 |
| AutoNetworks Technologies, Ltd. | 7130 |
34 |
| JX Nippon Mining & Metals Corporation | 1461 |
26 |
| POSCO Co., Ltd. | 2015 |
23 |
| The Furukawa Electric Co., Ltd. | 3695 |
18 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
16 |
| Savroc Ltd | 26 |
15 |
| Dowa Metaltech Co., Ltd. | 174 |
14 |
| Tata Steel Ijmuiden B.V. | 328 |
13 |
| Rtx Corporation | 10128 |
12 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
10 |
| International Business Machines Corporation | 62671 |
9 |
| ThyssenKrupp Steel Europe AG | 992 |
9 |
| Hitachi Metals, Ltd. | 1896 |
7 |
| Applied Materials, Inc. | 20406 |
7 |
| Other owners | 553 |