- 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 18/20 - Pretreatment of the material to be coated of organic surfaces, e.g. resins
Patent holdings for IPC class C23C 18/20
Total number of patents in this class: 614
10-year publication summary
|
57
|
56
|
56
|
42
|
33
|
50
|
29
|
30
|
24
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BYD Company Limited | 6543 |
27 |
| Atotech Deutschland GmbH | 522 |
26 |
| Mitsubishi Engineering-Plastics Corporation | 300 |
22 |
| Atotech Deutschland GmbH & Co. KG | 392 |
20 |
| Eastman Kodak Company | 2589 |
18 |
| FUJIFILM Corporation | 30594 |
16 |
| Cuptronic Technology Ltd. | 12 |
12 |
| LG Chem, Ltd. | 17950 |
10 |
| Nikon Corporation | 7230 |
9 |
| C. Uyemura & Co., Ltd. | 162 |
8 |
| MacDermid Acumen, Inc. | 148 |
8 |
| Solvay Specialty Polymers Italy S.p.A. | 654 |
8 |
| Idemitsu Kosan Co., Ltd. | 4257 |
6 |
| Mitsui Chemicals, Inc. | 3259 |
6 |
| DIC Corporation | 3974 |
6 |
| Jet Metal Technologies | 17 |
6 |
| Okuno Chemical Industries Co., Ltd. | 107 |
6 |
| Lotte Chemical Corporation | 790 |
5 |
| BASF SE | 21306 |
4 |
| Murata Manufacturing Co., Ltd. | 25809 |
4 |
| Other owners | 387 |