- All sections
- C - Chemistrymetallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpieces by electrolysisapparatus therefor
- C25D 21/18 - Regeneration of process solutions of electrolytes
Patent holdings for IPC class C25D 21/18
Total number of patents in this class: 214
10-year publication summary
|
14
|
13
|
27
|
17
|
14
|
16
|
21
|
9
|
22
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lam Research Corporation | 5117 |
13 |
| Novellus Systems, Inc. | 497 |
11 |
| Atotech Deutschland GmbH | 564 |
10 |
| Applied Materials, Inc. | 18322 |
9 |
| International Business Machines Corporation | 60597 |
8 |
| Ebara Corporation | 2115 |
8 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 41550 |
6 |
| Siemens VAI Metals Technologies SAS | 66 |
6 |
| C. Uyemura & Co., Ltd. | 163 |
6 |
| Centre National de La Recherche Scientifique | 10202 |
4 |
| MacDermid, Incorporated | 168 |
4 |
| Toyo Kohan Co., Ltd. | 414 |
4 |
| Honeywell International Inc. | 13611 |
3 |
| Hitachi, Ltd. | 15334 |
3 |
| Hitachi Metals, Ltd. | 1993 |
3 |
| Fuji Shoji Co., Ltd. | 68 |
3 |
| JFE Steel Corporation | 6672 |
3 |
| MacDermid Enthone Inc. | 234 |
3 |
| Mitsubishi Materials Corporation | 2416 |
3 |
| Nippon Paint Surf Chemicals Co., Ltd. | 89 |
3 |
| Other owners | 101 |