- 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 16/32 - Carbides
Patent holdings for IPC class C23C 16/32
Total number of patents in this class: 986
10-year publication summary
|
69
|
81
|
94
|
94
|
73
|
109
|
80
|
86
|
70
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20036 |
97 |
| ASM IP Holding B.V. | 2291 |
62 |
| Lam Research Corporation | 5528 |
33 |
| Resonac Corporation | 3210 |
27 |
| Tokyo Electron Limited | 13523 |
25 |
| Kokusai Electric Corporation | 2191 |
23 |
| Rtx Corporation | 9875 |
20 |
| Versum Materials US, LLC | 667 |
19 |
| Zadient Technologies SAS | 37 |
19 |
| Novellus Systems, Inc. | 460 |
17 |
| Safran Ceramics | 428 |
17 |
| Sumitomo Electric Industries, Ltd. | 16091 |
16 |
| Tokai Carbon Korea Co., Ltd. | 55 |
16 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11010 |
15 |
| Shin-Etsu Chemical Co., Ltd. | 5948 |
14 |
| Aixtron SE | 328 |
14 |
| Centre National de La Recherche Scientifique | 10865 |
13 |
| Mitsubishi Materials Corporation | 2457 |
12 |
| NuFlare Technology, Inc. | 907 |
10 |
| Rolls-Royce Corporation | 1679 |
10 |
| Other owners | 507 |