- All sections
- C - Chemistrymetallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpieces by electrolysisapparatus therefor
- C25D 5/34 - Pretreatment of metallic surfaces to be electroplated
Patent holdings for IPC class C25D 5/34
Total number of patents in this class: 471
10-year publication summary
|
61
|
51
|
44
|
48
|
40
|
41
|
29
|
34
|
23
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lam Research Corporation | 5217 |
20 |
| Ebara Corporation | 2165 |
14 |
| Atotech Deutschland GmbH | 558 |
12 |
| Namics Corporation | 441 |
10 |
| Mitsubishi Materials Corporation | 2439 |
7 |
| Applied Materials, Inc. | 18530 |
6 |
| Novellus Systems, Inc. | 484 |
6 |
| The Furukawa Electric Co., Ltd. | 3645 |
6 |
| Dowa Metaltech Co., Ltd. | 163 |
6 |
| Stamford Devices Limited | 168 |
6 |
| Semsysco GmbH | 67 |
6 |
| JX Nippon Mining & Metals Corporation | 1490 |
5 |
| Sumitomo Electric Industries, Ltd. | 15428 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42461 |
4 |
| PPG Industries Ohio, Inc. | 3457 |
4 |
| Global Graphene Group, Inc. | 247 |
4 |
| HARTING KGaA | 9 |
4 |
| Modumetal, Inc. | 71 |
4 |
| Oriental Electro Plating Corporation | 8 |
4 |
| Safran Aircraft Engines | 6270 |
4 |
| Other owners | 335 |