- 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 16/34 - Nitrides
Patent holdings for IPC class C23C 16/34
Total number of patents in this class: 3019
10-year publication summary
|
213
|
282
|
261
|
285
|
276
|
264
|
246
|
205
|
226
|
140
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20438 |
287 |
| Tokyo Electron Limited | 13843 |
267 |
| Kokusai Electric Corporation | 2236 |
223 |
| ASM IP Holding B.V. | 2409 |
188 |
| Lam Research Corporation | 5651 |
110 |
| Versum Materials US, LLC | 677 |
86 |
| Sumitomo Electric Hardmetal Corp. | 1102 |
76 |
| Mitsubishi Materials Corporation | 2473 |
48 |
| Kyocera Corporation | 14404 |
45 |
| Samsung Electronics Co., Ltd. | 158156 |
37 |
| Sumitomo Chemical Company, Limited | 8968 |
37 |
| Soulbrain Co., Ltd. | 289 |
32 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48490 |
31 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4120 |
31 |
| Sumitomo Electric Industries, Ltd. | 16396 |
26 |
| NGK Insulators, Ltd. | 5241 |
25 |
| Entegris, Inc. | 2009 |
25 |
| Eugenus, Inc. | 72 |
25 |
| Tokuyama Corporation | 1482 |
24 |
| Tungaloy Corporation | 538 |
24 |
| Other owners | 1372 |