- 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: 2109
10-year publication summary
|
152
|
185
|
213
|
150
|
151
|
193
|
128
|
137
|
114
|
69
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20375 |
444 |
| ArcelorMittal | 2672 |
61 |
| Samsung Display Co., Ltd. | 38627 |
55 |
| ULVAC, Inc. | 1345 |
52 |
| Canon Anelva Corporation | 684 |
38 |
| Tokyo Electron Limited | 13807 |
37 |
| View Operating Corporation | 565 |
37 |
| Elevated Materials US LLC | 124 |
22 |
| Von Ardenne Asset GmbH & Co. KG | 89 |
20 |
| Nitto Denko Corporation | 8536 |
19 |
| Lam Research Corporation | 5635 |
19 |
| Dyson Technology Limited | 3997 |
19 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6117 |
19 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
18 |
| ThyssenKrupp Steel Europe AG | 990 |
18 |
| Semiconductor Energy Laboratory Co., Ltd. | 11821 |
17 |
| Flisom AG | 77 |
16 |
| Aixtron SE | 336 |
15 |
| Beijing Naura Microelectronics Equipment Co., Ltd. | 737 |
15 |
| Bühler Alzenau GmbH | 48 |
13 |
| Other owners | 1155 |