- 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 14/56 - Apparatus specially adapted for continuous coatingArrangements for maintaining the vacuum, e.g. vacuum locks
Patent holdings for IPC class C23C 14/56
Total number of patents in this class: 2037
10-year publication summary
|
125
|
149
|
183
|
204
|
146
|
150
|
192
|
125
|
135
|
85
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18892 |
422 |
| ArcelorMittal | 2324 |
57 |
| ULVAC, Inc. | 1378 |
56 |
| Samsung Display Co., Ltd. | 35269 |
55 |
| Canon Anelva Corporation | 683 |
38 |
| View Operating Corporation | 528 |
37 |
| Tokyo Electron Limited | 12899 |
33 |
| Elevated Materials US LLC | 115 |
22 |
| Lam Research Corporation | 5310 |
19 |
| Nitto Denko Corporation | 8295 |
18 |
| Dyson Technology Limited | 3673 |
18 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6116 |
18 |
| ThyssenKrupp Steel Europe AG | 958 |
17 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43400 |
16 |
| Cardinal CG Company | 228 |
16 |
| Flisom AG | 77 |
16 |
| Aixtron SE | 320 |
15 |
| Beijing Naura Microelectronics Equipment Co., Ltd. | 604 |
15 |
| Von Ardenne Asset GmbH & Co. KG | 73 |
15 |
| Semiconductor Energy Laboratory Co., Ltd. | 11481 |
14 |
| Other owners | 1120 |