- 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 18/22 - Roughening, e.g. by etching
Patent holdings for IPC class C23C 18/22
Total number of patents in this class: 115
10-year publication summary
|
17
|
8
|
13
|
8
|
8
|
5
|
4
|
7
|
6
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atotech Deutschland GmbH | 524 |
16 |
| Dai Nippon Printing Co., Ltd. | 4237 |
4 |
| Kurita Water Industries Ltd. | 1283 |
4 |
| MacDermid Acumen, Inc. | 148 |
4 |
| Rtx Corporation | 10082 |
4 |
| Ascend Performance Materials Operations LLC | 266 |
3 |
| BYD Company Limited | 6463 |
3 |
| DIC Corporation | 3961 |
3 |
| Solvay Specialty Polymers Italy S.p.A. | 656 |
3 |
| YKK Corporation | 2043 |
3 |
| E. I. du Pont de Nemours and Company | 3542 |
2 |
| The Boeing Company | 20160 |
2 |
| Toray Industries, Inc. | 7096 |
2 |
| Gerhardi Kunststofftechnik GmbH | 25 |
2 |
| Ushio Denki Kabushiki Kaisha | 1205 |
2 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 821 |
2 |
| Maxell, Ltd. | 3015 |
2 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12387 |
2 |
| BASF SE | 21303 |
1 |
| LG Chem, Ltd. | 17921 |
1 |
| Other owners | 50 |