- 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: 238
10-year publication summary
|
19
|
13
|
12
|
11
|
11
|
11
|
17
|
20
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 13956 |
36 |
| Lam Research Corporation | 5709 |
16 |
| Applied Materials, Inc. | 20601 |
13 |
| Element Six (UK) Limited | 238 |
11 |
| Semes Co., Ltd. | 1681 |
6 |
| Infineon Technologies AG | 8429 |
5 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8470 |
5 |
| National Oilwell Varco, L.P. | 1701 |
5 |
| Toppan Inc. | 762 |
5 |
| The Boeing Company | 20212 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 49027 |
3 |
| Novellus Systems, Inc. | 447 |
3 |
| LAM Research AG | 196 |
3 |
| POSCO | 2143 |
3 |
| Think Laboratory Co., Ltd. | 103 |
3 |
| Sharp Kabushiki Kaisha | 18484 |
3 |
| 3m Innovative Properties Company | 17450 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
2 |
| Boe Technology Group Co., Ltd. | 44784 |
2 |
| ASM IP Holding B.V. | 2472 |
2 |
| Other owners | 106 |