- All sections
- C - Chemistrymetallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpieces by electrolysisapparatus therefor
- C25D 21/04 - Removal of gases or vapours
Patent holdings for IPC class C25D 21/04
Total number of patents in this class: 144
10-year publication summary
|
10
|
8
|
18
|
17
|
8
|
5
|
21
|
15
|
14
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 2226 |
21 |
| Lam Research Corporation | 5382 |
18 |
| Novellus Systems, Inc. | 470 |
12 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46182 |
6 |
| Tokyo Electron Limited | 13155 |
5 |
| Semsysco GmbH | 63 |
5 |
| ACM Research (Shanghai) Inc. | 353 |
4 |
| topocrom systems AG | 12 |
4 |
| FEI Company | 995 |
3 |
| Corrdesa LLC | 6 |
3 |
| Honeywell International Inc. | 13571 |
2 |
| FUJIFILM Corporation | 29839 |
2 |
| Applied Materials, Inc. | 19298 |
2 |
| Hamilton Sundstrand Corporation | 4956 |
2 |
| Cockerill Maintenance & Ingenierie SA | 80 |
2 |
| Freeport Minerals Corporation | 117 |
2 |
| Jiangsu University | 1125 |
2 |
| Screen Holdings Co., Ltd. | 2936 |
2 |
| TruTag Technologies, Inc. | 42 |
2 |
| Atmospherix LLC | 2 |
2 |
| Other owners | 43 |