- 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 1/08 - Apparatus, e.g. for photomechanical printing surfaces
Patent holdings for IPC class C23F 1/08
Total number of patents in this class: 226
10-year publication summary
23
|
15
|
19
|
13
|
12
|
11
|
11
|
11
|
17
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tokyo Electron Limited | 11599 |
35 |
Lam Research Corporation | 4775 |
15 |
Applied Materials, Inc. | 16587 |
11 |
Infineon Technologies AG | 8189 |
5 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
5 |
National Oilwell Varco, L.P. | 1604 |
5 |
Toppan Inc. | 746 |
5 |
The Boeing Company | 19843 |
4 |
Semes Co., Ltd. | 1119 |
4 |
3m Innovative Properties Company | 18406 |
3 |
Novellus Systems, Inc. | 559 |
3 |
LAM Research AG | 188 |
3 |
The Diller Corporation | 158 |
3 |
POSCO | 2222 |
3 |
Think Laboratory Co., Ltd. | 123 |
3 |
Kokusai Electric Corporation | 1791 |
3 |
Sharp Kabushiki Kaisha | 18957 |
3 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
Air Products and Chemicals, Inc. | 1448 |
2 |
Ebara Corporation | 1951 |
2 |
Other owners | 107 |