- 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 16/04 - Coating on selected surface areas, e.g. using masks
Patent holdings for IPC class C23C 16/04
Total number of patents in this class: 2831
10-year publication summary
|
162
|
168
|
233
|
224
|
229
|
241
|
264
|
255
|
264
|
312
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 19248 |
392 |
| Lam Research Corporation | 5372 |
227 |
| Tokyo Electron Limited | 13136 |
218 |
| ASM IP Holding B.V. | 2161 |
170 |
| Samsung Display Co., Ltd. | 36265 |
119 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46161 |
44 |
| Kokusai Electric Corporation | 2103 |
39 |
| Sio2 Medical Products, LLC | 106 |
36 |
| Safran Ceramics | 419 |
34 |
| Goodrich Corporation | 2185 |
33 |
| Novellus Systems, Inc. | 470 |
29 |
| Sio2 Medical Products, Inc. | 104 |
26 |
| Rtx Corporation | 9596 |
26 |
| Versum Materials US, LLC | 656 |
25 |
| Boe Technology Group Co., Ltd. | 41781 |
24 |
| Tokyo Electron U.S. Holdings, Inc | 808 |
24 |
| Dai Nippon Printing Co., Ltd. | 4146 |
20 |
| Entegris, Inc. | 1908 |
20 |
| General Electric Company | 13840 |
19 |
| Soulbrain Co., Ltd. | 264 |
19 |
| Other owners | 1287 |