- 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 18/32 - Coating with one of iron, cobalt or nickel; Coating with mixtures of phosphorus or boron with one of these metals
Patent holdings for IPC class C23C 18/32
Total number of patents in this class: 419
10-year publication summary
|
62
|
55
|
50
|
58
|
37
|
23
|
27
|
29
|
19
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 12115 |
13 |
| Sumitomo Electric Industries, Ltd. | 14972 |
9 |
| Atotech Deutschland GmbH | 566 |
9 |
| Nikon Corporation | 7123 |
8 |
| Mitsubishi Electric Corporation | 44851 |
7 |
| BASF SE | 20432 |
6 |
| Applied Materials, Inc. | 17745 |
6 |
| C. Uyemura & Co., Ltd. | 163 |
6 |
| The Boeing Company | 19911 |
5 |
| Texas Instruments Incorporated | 19432 |
5 |
| TDK Corporation | 6539 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
5 |
| Lam Research Corporation | 5001 |
5 |
| The Furukawa Electric Co., Ltd. | 3600 |
5 |
| Alchimer | 51 |
5 |
| MacDermid Acumen, Inc. | 156 |
5 |
| UACJ Corporation | 666 |
5 |
| Eastman Kodak Company | 3033 |
4 |
| BYD Company Limited | 4320 |
4 |
| Global Graphene Group, Inc. | 249 |
4 |
| Other owners | 298 |