- 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 1/08 - Apparatus, e.g. for photomechanical printing surfaces
Patent holdings for IPC class C23F 1/08
Total number of patents in this class: 239
10-year publication summary
|
15
|
19
|
13
|
12
|
11
|
11
|
11
|
17
|
20
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 12694 |
36 |
| Lam Research Corporation | 5225 |
16 |
| Applied Materials, Inc. | 18589 |
11 |
| Element Six (UK) Limited | 216 |
11 |
| Semes Co., Ltd. | 1510 |
6 |
| Infineon Technologies AG | 8219 |
5 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
5 |
| National Oilwell Varco, L.P. | 1670 |
5 |
| Toppan Inc. | 758 |
5 |
| The Boeing Company | 20051 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42636 |
3 |
| Novellus Systems, Inc. | 483 |
3 |
| LAM Research AG | 190 |
3 |
| The Diller Corporation | 144 |
3 |
| POSCO | 2187 |
3 |
| Think Laboratory Co., Ltd. | 118 |
3 |
| Sharp Kabushiki Kaisha | 18764 |
3 |
| 3m Innovative Properties Company | 17849 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8712 |
2 |
| Ebara Corporation | 2167 |
2 |
| Other owners | 108 |