- 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 1/02 - Local etching
Patent holdings for IPC class C23F 1/02
Total number of patents in this class: 498
10-year publication summary
64
|
43
|
53
|
60
|
53
|
42
|
42
|
38
|
24
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dai Nippon Printing Co., Ltd. | 3891 |
28 |
Samsung Display Co., Ltd. | 30585 |
19 |
3m Innovative Properties Company | 18406 |
18 |
Tokyo Electron Limited | 11599 |
15 |
Applied Materials, Inc. | 16587 |
12 |
Toppan Printing Co., Ltd. | 2212 |
10 |
LG Innotek Co., Ltd. | 6758 |
9 |
Samsung Electronics Co., Ltd. | 131630 |
7 |
JX Nippon Mining & Metals Corporation | 1576 |
7 |
Kateeva, Inc. | 376 |
7 |
Lam Research Corporation | 4775 |
6 |
Covidien LP | 10647 |
5 |
Hewlett-Packard Development Company, L.P. | 28538 |
5 |
Atotech Deutschland GmbH | 586 |
5 |
Toppan Inc. | 746 |
5 |
LG Chem, Ltd. | 17205 |
4 |
International Business Machines Corporation | 60644 |
4 |
The Boeing Company | 19843 |
4 |
Boe Technology Group Co., Ltd. | 35384 |
4 |
Agfa-Gevaert | 282 |
4 |
Other owners | 320 |