- All sections
- C - Chemistry; metallurgy
- C23F - Non-mechanical removal of metallic material from surfaces; inhibiting corrosion of metallic material; inhibiting incrustation in general; multi-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
3
|
1
|
2
|
3
|
5
|
4
|
0
|
5
|
5
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ASM IP Holding B.V. | 1715 |
10 |
Applied Materials, Inc. | 16587 |
5 |
Tokyo Electron Limited | 11599 |
3 |
Denso Corporation | 23338 |
2 |
Central Glass Company, Limited | 1244 |
2 |
FEI Company | 851 |
2 |
Toyota Motor Corporation | 28582 |
1 |
38th Research Institute, China Electronics Technology Group Corporation | 36 |
1 |
Canon Machinery Inc. | 38 |
1 |
GSI Group Corporation | 52 |
1 |
Hyogo Prefecture | 25 |
1 |
JFE Steel Corporation | 6067 |
1 |
Nippon Light Metal Company, Ltd. | 645 |
1 |
Quertech Ingenierie | 32 |
1 |
Rutgers, The State University of New Jersey | 1776 |
1 |
Zanini Auto Grup, S.A. | 45 |
1 |
Tokyo Electron U.S. Holdings, Inc | 608 |
1 |
GE Infrastructure Technology, LLC | 5873 |
1 |
Ecole Polytechnique fédérale de Lausanne | 5 |
1 |
Point 35 Microstructures Limited | 3 |
1 |
Other owners | 1 |