- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 22/63 - Treatment of copper or alloys based thereon
Patent holdings for IPC class C23C 22/63
Total number of patents in this class: 38
10-year publication summary
|
1
|
5
|
4
|
3
|
4
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4
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3
|
3
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2
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Namics Corporation | 421 |
8 |
| Atotech Deutschland GmbH | 566 |
3 |
| MEC Company Ltd. | 79 |
2 |
| 3m Innovative Properties Company | 17951 |
1 |
| Hitachi Chemical Company, Ltd. | 2387 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2722 |
1 |
| Agency for Science, Technology and Research | 3562 |
1 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1878 |
1 |
| ANDOH-Corporation limited partnership company | 5 |
1 |
| Composecure, LLC | 133 |
1 |
| Conductive Inkjet Technology Limited | 14 |
1 |
| D. Swarovski KG | 101 |
1 |
| Hansgrohe AG | 25 |
1 |
| LTC Co., Ltd. | 28 |
1 |
| MacDermid Enthone Inc. | 234 |
1 |
| MacDermid, Incorporated | 160 |
1 |
| Mitsui Mining & Smelting Co., Ltd. | 1427 |
1 |
| Payton Planar Magnetics Ltd. | 2 |
1 |
| Shikoku Chemicals Corporation | 83 |
1 |
| Tata Steel UK Limited | 162 |
1 |
| Other owners | 8 |