- 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: 3044
10-year publication summary
|
171
|
237
|
225
|
231
|
244
|
269
|
271
|
272
|
337
|
176
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20363 |
429 |
| Tokyo Electron Limited | 13796 |
248 |
| Lam Research Corporation | 5621 |
247 |
| ASM IP Holding B.V. | 2387 |
200 |
| Samsung Display Co., Ltd. | 38570 |
135 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
48 |
| Kokusai Electric Corporation | 2215 |
46 |
| Safran Ceramics | 446 |
38 |
| Sio2 Medical Products, LLC | 109 |
36 |
| Goodrich Corporation | 2183 |
33 |
| Rtx Corporation | 10082 |
30 |
| Novellus Systems, Inc. | 452 |
29 |
| Versum Materials US, LLC | 677 |
29 |
| Sio2 Medical Products, Inc. | 104 |
25 |
| Tokyo Electron U.S. Holdings, Inc | 899 |
25 |
| Boe Technology Group Co., Ltd. | 44004 |
24 |
| Entegris, Inc. | 2008 |
23 |
| Soulbrain Co., Ltd. | 286 |
22 |
| Samsung Electronics Co., Ltd. | 157557 |
21 |
| Dai Nippon Printing Co., Ltd. | 4237 |
21 |
| Other owners | 1335 |