- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating 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 nickel; Coating 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: 191
10-year publication summary
|
17
|
20
|
14
|
28
|
19
|
19
|
11
|
15
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atotech Deutschland GmbH | 566 |
13 |
| Lam Research Corporation | 4995 |
8 |
| Tokyo Electron Limited | 12111 |
6 |
| Surface Technology, Inc. | 21 |
6 |
| Kojima Chemicals Co., Ltd. | 21 |
5 |
| MacDermid Enthone Inc. | 234 |
5 |
| Alchimer | 51 |
4 |
| MacDermid Acumen, Inc. | 156 |
4 |
| Nikon Corporation | 7126 |
3 |
| Toray Advanced Materials Korea Inc. | 241 |
3 |
| C. Uyemura & Co., Ltd. | 163 |
3 |
| Nippon Chemical Industrial Co., Ltd. | 271 |
3 |
| Seram Coatings AS | 9 |
3 |
| FUJIFILM Corporation | 28555 |
2 |
| Applied Materials, Inc. | 17720 |
2 |
| Infineon Technologies AG | 8141 |
2 |
| Eastman Kodak Company | 3036 |
2 |
| Murata Manufacturing Co., Ltd. | 23680 |
2 |
| CARBO Ceramics Inc. | 246 |
2 |
| COVENTYA, Inc. | 9 |
2 |
| Other owners | 111 |