- 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 16/40 - Oxides
Patent holdings for IPC class C23C 16/40
Total number of patents in this class: 4995
10-year publication summary
|
305
|
379
|
378
|
441
|
441
|
483
|
439
|
408
|
370
|
217
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20375 |
507 |
| Tokyo Electron Limited | 13807 |
274 |
| Lam Research Corporation | 5635 |
219 |
| ASM IP Holding B.V. | 2397 |
213 |
| Kokusai Electric Corporation | 2226 |
178 |
| Versum Materials US, LLC | 678 |
155 |
| Kyocera Corporation | 14359 |
79 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
79 |
| Sumitomo Electric Hardmetal Corp. | 1100 |
72 |
| Entegris, Inc. | 2008 |
70 |
| Samsung Electronics Co., Ltd. | 157719 |
67 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
61 |
| Adeka Corporation | 1377 |
61 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
60 |
| Tungaloy Corporation | 538 |
48 |
| Pilkington Group Limited | 777 |
43 |
| Flosfia Inc. | 242 |
41 |
| Dnf Co.,Ltd. | 84 |
38 |
| Sio2 Medical Products, LLC | 109 |
38 |
| Up Chemical Co., Ltd. | 69 |
34 |
| Other owners | 2658 |