- 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
|
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 | 13742 |
36 |
| Lam Research Corporation | 5605 |
16 |
| Applied Materials, Inc. | 20325 |
13 |
| Element Six (UK) Limited | 229 |
11 |
| Semes Co., Ltd. | 1675 |
6 |
| Infineon Technologies AG | 8401 |
5 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8472 |
5 |
| National Oilwell Varco, L.P. | 1699 |
5 |
| Toppan Inc. | 762 |
5 |
| The Boeing Company | 20145 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48140 |
3 |
| Novellus Systems, Inc. | 452 |
3 |
| LAM Research AG | 196 |
3 |
| POSCO | 2147 |
3 |
| Think Laboratory Co., Ltd. | 104 |
3 |
| Sharp Kabushiki Kaisha | 18541 |
3 |
| 3m Innovative Properties Company | 17497 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9086 |
2 |
| Boe Technology Group Co., Ltd. | 43856 |
2 |
| ASM IP Holding B.V. | 2378 |
2 |
| Other owners | 107 |