- All sections
- C - Chemistry; metallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatings; electroforming; joining workpieces by electrolysis; apparatus 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: 462
10-year publication summary
|
68
|
61
|
51
|
44
|
48
|
40
|
41
|
28
|
30
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lam Research Corporation | 4775 |
20 |
| Ebara Corporation | 1951 |
13 |
| Atotech Deutschland GmbH | 586 |
12 |
| Namics Corporation | 393 |
9 |
| Mitsubishi Materials Corporation | 2378 |
7 |
| Applied Materials, Inc. | 16587 |
6 |
| Novellus Systems, Inc. | 559 |
6 |
| Purdue Research Foundation | 3277 |
6 |
| The Furukawa Electric Co., Ltd. | 3486 |
6 |
| Semsysco GmbH | 52 |
6 |
| Dowa Metaltech Co., Ltd. | 150 |
5 |
| JX Nippon Mining & Metals Corporation | 1576 |
5 |
| Stamford Devices Limited | 155 |
5 |
| Toyota Motor Corporation | 28582 |
4 |
| The Boeing Company | 19843 |
4 |
| Sumitomo Electric Industries, Ltd. | 14131 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
4 |
| PPG Industries Ohio, Inc. | 3430 |
4 |
| Global Graphene Group, Inc. | 246 |
4 |
| HARTING KGaA | 10 |
4 |
| Other owners | 328 |