- 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 18/18 - Pretreatment of the material to be coated
Patent holdings for IPC class C23C 18/18
Total number of patents in this class: 697
10-year publication summary
|
90
|
69
|
68
|
76
|
58
|
34
|
39
|
30
|
29
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 12795 |
54 |
| Atotech Deutschland GmbH | 555 |
37 |
| FUJIFILM Corporation | 29458 |
24 |
| Eastman Kodak Company | 2873 |
15 |
| Lam Research Corporation | 5282 |
15 |
| BYD Company Limited | 5035 |
11 |
| C. Uyemura & Co., Ltd. | 163 |
10 |
| Mitsubishi Electric Corporation | 46249 |
8 |
| Alchimer | 51 |
8 |
| Bactiguard AB | 42 |
8 |
| The Furukawa Electric Co., Ltd. | 3670 |
7 |
| JX Nippon Mining & Metals Corporation | 1488 |
7 |
| Toyo Kohan Co., Ltd. | 419 |
7 |
| Atotech Deutschland GmbH & Co. KG | 376 |
7 |
| Sumitomo Electric Industries, Ltd. | 15535 |
6 |
| Nikon Corporation | 7172 |
6 |
| Jcu Corporation | 101 |
6 |
| Nissan Chemical Industries, Ltd. | 1709 |
6 |
| UACJ Corporation | 701 |
6 |
| Intel Corporation | 47051 |
5 |
| Other owners | 444 |