- All sections
- C - Chemistrymetallurgy
- C23F - Non-mechanical removal of metallic material from surfacesinhibiting corrosion of metallic materialinhibiting incrustation in generalmulti-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class
- C23F 4/02 - Processes for removing metallic material from surfaces, not provided for in group or by evaporation
Patent holdings for IPC class C23F 4/02
Total number of patents in this class: 39
10-year publication summary
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1
|
2
|
3
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5
|
4
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0
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5
|
5
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2
|
2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASM IP Holding B.V. | 2077 |
11 |
| Applied Materials, Inc. | 18621 |
4 |
| Tokyo Electron Limited | 12712 |
3 |
| Denso Corporation | 24282 |
2 |
| Central Glass Company, Limited | 1265 |
2 |
| FEI Company | 943 |
2 |
| 38th Research Institute, China Electronics Technology Group Corporation | 50 |
1 |
| Alliance for Sustainable Energy, LLC | 800 |
1 |
| Aperam | 118 |
1 |
| Canon Machinery Inc. | 38 |
1 |
| GSI Group Corporation | 37 |
1 |
| Hyogo Prefecture | 25 |
1 |
| JFE Steel Corporation | 6840 |
1 |
| Nippon Light Metal Company, Ltd. | 662 |
1 |
| Quertech Ingenierie | 32 |
1 |
| Rutgers, The State University of New Jersey | 1895 |
1 |
| Zanini Auto Grup, S.A. | 45 |
1 |
| Tokyo Electron U.S. Holdings, Inc | 743 |
1 |
| GE Infrastructure Technology, LLC | 6222 |
1 |
| Hitachi High-Tech Corporation | 5310 |
1 |
| Other owners | 1 |