- 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 18/40 - Coating with copper using reducing agents
Patent holdings for IPC class C23C 18/40
Total number of patents in this class: 263
10-year publication summary
|
38
|
16
|
25
|
18
|
14
|
24
|
16
|
8
|
11
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atotech Deutschland GmbH | 524 |
26 |
| BYD Company Limited | 6476 |
12 |
| DuPont Electronic Materials International, LLC | 426 |
11 |
| LG Chem, Ltd. | 17921 |
8 |
| MacDermid Enthone Inc. | 249 |
8 |
| Eastman Kodak Company | 2603 |
7 |
| Atotech Deutschland GmbH & Co. KG | 390 |
7 |
| Lam Research Corporation | 5635 |
6 |
| Okuno Chemical Industries Co., Ltd. | 105 |
6 |
| Tokyo Electron Limited | 13807 |
5 |
| C. Uyemura & Co., Ltd. | 162 |
5 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
4 |
| Solvay Specialty Polymers Italy S.p.A. | 656 |
4 |
| Valstybinis Moksliniu Tyrimu Institutas Fiziniu Ir Technologijos Mokslu Centras | 12 |
4 |
| Ajou University Industry-academic Cooperation Foundation | 1174 |
3 |
| Fundacion Cidetec | 58 |
3 |
| Ishihara Chemical Co., Ltd. | 64 |
3 |
| National Research Council of Canada | 1551 |
3 |
| Toyo Kohan Co., Ltd. | 435 |
3 |
| Jiangyin NanoPore Innovative Materials Technology Ltd | 109 |
3 |
| Other owners | 132 |