- 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 18/32 - Coating with one of iron, cobalt or nickelCoating 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: 441
10-year publication summary
|
55
|
50
|
58
|
37
|
23
|
27
|
31
|
19
|
27
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 13807 |
13 |
| Sumitomo Electric Industries, Ltd. | 16331 |
9 |
| Applied Materials, Inc. | 20375 |
9 |
| Atotech Deutschland GmbH | 524 |
9 |
| Nikon Corporation | 7228 |
8 |
| Mitsubishi Electric Corporation | 48018 |
7 |
| BASF SE | 21303 |
6 |
| The Furukawa Electric Co., Ltd. | 3694 |
6 |
| C. Uyemura & Co., Ltd. | 162 |
6 |
| UACJ Corporation | 734 |
6 |
| Texas Instruments Incorporated | 19672 |
5 |
| TDK Corporation | 6858 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
5 |
| Lam Research Corporation | 5635 |
5 |
| MacDermid Acumen, Inc. | 148 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 1216 |
5 |
| Resonac Corporation | 3530 |
5 |
| The Boeing Company | 20160 |
4 |
| Eastman Kodak Company | 2603 |
4 |
| Fuji Electric Co., Ltd. | 5478 |
4 |
| Other owners | 315 |