- 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 18/31 - Coating with metals
Patent holdings for IPC class C23C 18/31
Total number of patents in this class: 521
10-year publication summary
|
70
|
53
|
44
|
42
|
47
|
33
|
31
|
21
|
15
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 13108 |
51 |
| FUJIFILM Corporation | 29797 |
15 |
| BASF SE | 21072 |
12 |
| Atotech Deutschland GmbH | 551 |
11 |
| Lam Research Corporation | 5362 |
9 |
| Nikon Corporation | 7304 |
8 |
| Eastman Kodak Company | 2802 |
6 |
| BYD Company Limited | 5412 |
6 |
| MacDermid Enthone Inc. | 243 |
6 |
| Nippon Chemical Industrial Co., Ltd. | 288 |
6 |
| Sumitomo Electric Industries, Ltd. | 15750 |
5 |
| Consolidated Nuclear Security, LLC | 119 |
5 |
| Jet Metal Technologies | 19 |
5 |
| Toyo Kohan Co., Ltd. | 422 |
5 |
| PulseForge Incorporated | 52 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8871 |
4 |
| TDK Corporation | 6887 |
4 |
| University of South Florida | 1847 |
4 |
| Enthone Inc. | 55 |
4 |
| Jcu Corporation | 101 |
4 |
| Other owners | 346 |