- All sections
- C - Chemistry; metallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatings; electroforming; joining workpieces by electrolysis; apparatus therefor
- C25D 21/04 - Removal of gases or vapours
Patent holdings for IPC class C25D 21/04
Total number of patents in this class: 122
10-year publication summary
11
|
10
|
8
|
18
|
17
|
8
|
6
|
19
|
16
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lam Research Corporation | 4775 |
16 |
Ebara Corporation | 1951 |
13 |
Novellus Systems, Inc. | 559 |
12 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
4 |
Tokyo Electron Limited | 11599 |
4 |
topocrom systems AG | 10 |
4 |
Semsysco GmbH | 52 |
4 |
FEI Company | 851 |
3 |
Honeywell International Inc. | 13799 |
2 |
FUJIFILM Corporation | 27102 |
2 |
Applied Materials, Inc. | 16587 |
2 |
Hamilton Sundstrand Corporation | 4525 |
2 |
ACM Research (Shanghai) Inc. | 205 |
2 |
Cockerill Maintenance & Ingenierie SA | 82 |
2 |
Engineering and Software System Solutions, Inc. | 4 |
2 |
Freeport Minerals Corporation | 80 |
2 |
Jiangsu University | 950 |
2 |
TruTag Technologies, Inc. | 65 |
2 |
Atmospherix LLC | 2 |
2 |
Changxin Memory Technologies, Inc. | 4732 |
2 |
Other owners | 38 |