- 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 18/42 - Coating with noble metals
Patent holdings for IPC class C23C 18/42
Total number of patents in this class: 249
10-year publication summary
|
33
|
25
|
30
|
16
|
18
|
16
|
12
|
11
|
12
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Kodak Company | 2601 |
8 |
| Bactiguard AB | 41 |
8 |
| Toyo Kohan Co., Ltd. | 436 |
8 |
| Atotech Deutschland GmbH | 524 |
7 |
| Mitsubishi Electric Corporation | 48048 |
5 |
| Tokyo Electron Limited | 13824 |
5 |
| Honeywell International Inc. | 12772 |
4 |
| Nikon Corporation | 7226 |
4 |
| BYD Company Limited | 6488 |
4 |
| EKC Technology, Inc. | 84 |
4 |
| MacDermid Enthone Inc. | 251 |
4 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 139 |
4 |
| Okuno Chemical Industries Co., Ltd. | 106 |
4 |
| Sumitomo Metal Mining Co., Ltd. | 1978 |
4 |
| Denka Company Limited | 2728 |
3 |
| Japan Pure Chemical Co.,Ltd. | 20 |
3 |
| Tahoe Research, Ltd. | 2025 |
3 |
| Hewlett-Packard Development Company, L.P. | 25180 |
2 |
| Texas Instruments Incorporated | 19653 |
2 |
| GM Global Technology Operations LLC | 16155 |
2 |
| Other owners | 161 |