- 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 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
Patent holdings for IPC class C23C 16/455
Total number of patents in this class: 12355
10-year publication summary
|
838
|
922
|
937
|
1009
|
1013
|
1147
|
1123
|
1103
|
1179
|
733
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20375 |
1828 |
| Tokyo Electron Limited | 13807 |
1098 |
| Lam Research Corporation | 5635 |
999 |
| ASM IP Holding B.V. | 2397 |
996 |
| Kokusai Electric Corporation | 2226 |
748 |
| Samsung Electronics Co., Ltd. | 157719 |
220 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
220 |
| Versum Materials US, LLC | 678 |
185 |
| Entegris, Inc. | 2008 |
166 |
| Picosun Oy | 161 |
132 |
| Beneq Oy | 245 |
129 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
121 |
| Jusung Engineering Co., Ltd. | 491 |
120 |
| Aixtron SE | 336 |
118 |
| Samsung Display Co., Ltd. | 38627 |
75 |
| Soulbrain Co., Ltd. | 286 |
74 |
| Adeka Corporation | 1377 |
71 |
| UChicago Argonne, LLC | 946 |
60 |
| Merck Patent GmbH | 5728 |
57 |
| BASF SE | 21303 |
56 |
| Other owners | 4882 |