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  • 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: 40

10-year publication summary

2
3
5
4
0
5
5
2
4
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
ASM IP Holding B.V.
2481
11
Applied Materials, Inc.
20625
4
Tokyo Electron Limited
13987
3
Denso Corporation
25820
2
Central Glass Company, Limited
1297
2
FEI Company
1063
2
Harris & Bruno International , Inc.
2
2
38th Research Institute, China Electronics Technology Group Corporation
58
1
Alliance for Sustainable Energy, LLC
303
1
Aperam
143
1
Canon Machinery Inc.
36
1
Hyogo Prefecture
22
1
JFE Steel Corporation
7675
1
Nippon Light Metal Company, Ltd.
695
1
Quertech Ingenierie
31
1
Rutgers, The State University of New Jersey
1996
1
Zanini Auto Grup, S.A.
44
1
Tokyo Electron U.S. Holdings, Inc
923
1
GE Infrastructure Technology, LLC
6151
1
Hitachi High-Tech Corporation
5995
1
Other owners 1

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