- All sections
- C - Chemistry; metallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatings; electroforming; joining workpieces by electrolysis; apparatus 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: 201
10-year publication summary
15
|
14
|
13
|
27
|
17
|
14
|
16
|
21
|
8
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Novellus Systems, Inc. | 559 |
11 |
Atotech Deutschland GmbH | 586 |
11 |
International Business Machines Corporation | 60644 |
9 |
Lam Research Corporation | 4775 |
9 |
Applied Materials, Inc. | 16587 |
8 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
6 |
Siemens VAI Metals Technologies SAS | 70 |
6 |
Ebara Corporation | 1951 |
6 |
C. Uyemura & Co., Ltd. | 156 |
5 |
Toyo Kohan Co., Ltd. | 413 |
5 |
Centre National de La Recherche Scientifique | 9632 |
4 |
MacDermid, Incorporated | 159 |
4 |
Honeywell International Inc. | 13799 |
3 |
Hitachi Metals, Ltd. | 2175 |
3 |
Fuji Shoji Co., Ltd. | 73 |
3 |
JFE Steel Corporation | 6067 |
3 |
MacDermid Enthone Inc. | 237 |
3 |
Mitsubishi Materials Corporation | 2378 |
3 |
Nippon Paint Surf Chemicals Co., Ltd. | 82 |
3 |
Safran Aircraft Engines | 5739 |
3 |
Other owners | 93 |