- 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 18/44 - Coating with noble metals using reducing agents
Patent holdings for IPC class C23C 18/44
Total number of patents in this class: 352
10-year publication summary
|
34
|
21
|
28
|
30
|
19
|
17
|
20
|
8
|
17
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| C. Uyemura & Co., Ltd. | 162 |
22 |
| Atotech Deutschland GmbH | 524 |
20 |
| Kojima Chemicals Co., Ltd. | 21 |
11 |
| Toyo Kohan Co., Ltd. | 435 |
10 |
| FUJIFILM Corporation | 30514 |
8 |
| Lam Research Corporation | 5635 |
8 |
| MacDermid Enthone Inc. | 249 |
8 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 139 |
7 |
| Bactiguard AB | 41 |
6 |
| Atotech Deutschland GmbH & Co. KG | 390 |
6 |
| Sumitomo Chemical Company, Limited | 9016 |
5 |
| Heraeus Deutschland GmbH & Co. KG | 403 |
4 |
| Mitsubishi Materials Corporation | 2472 |
4 |
| Japan Pure Chemical Co.,Ltd. | 20 |
4 |
| Xerox Corporation | 4391 |
3 |
| Toyoda Gosei Co., Ltd. | 1858 |
3 |
| Japan Science and Technology Agency | 1214 |
3 |
| Board of Trustees of Michigan State University | 1208 |
3 |
| Fundacion Cidetec | 58 |
3 |
| Kanto Kagaku Kabushiki Kaisha | 93 |
3 |
| Other owners | 211 |