- All sections
- C - Chemistrymetallurgy
- C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 18/34 - Coating with one of iron, cobalt or nickelCoating with mixtures of phosphorus or boron with one of these metals using reducing agents
Patent holdings for IPC class C23C 18/34
Total number of patents in this class: 192
10-year publication summary
|
17
|
20
|
14
|
28
|
20
|
19
|
11
|
15
|
4
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atotech Deutschland GmbH | 560 |
14 |
| Lam Research Corporation | 5187 |
8 |
| Tokyo Electron Limited | 12540 |
6 |
| MacDermid Enthone Inc. | 236 |
6 |
| Kojima Chemicals Co., Ltd. | 21 |
5 |
| Alchimer | 51 |
4 |
| MacDermid Acumen, Inc. | 155 |
4 |
| Nippon Chemical Industrial Co., Ltd. | 281 |
4 |
| Surface Technology, Inc. | 18 |
4 |
| Nikon Corporation | 7159 |
3 |
| Toray Advanced Materials Korea Inc. | 256 |
3 |
| C. Uyemura & Co., Ltd. | 163 |
3 |
| Seram Coatings AS | 9 |
3 |
| Atotech Deutschland GmbH & Co. KG | 377 |
3 |
| FUJIFILM Corporation | 29228 |
2 |
| Infineon Technologies AG | 8199 |
2 |
| Eastman Kodak Company | 2923 |
2 |
| Murata Manufacturing Co., Ltd. | 24342 |
2 |
| CARBO Ceramics Inc. | 237 |
2 |
| COVENTYA, Inc. | 9 |
2 |
| Other owners | 110 |