- 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 16/36 - Carbo-nitrides
Patent holdings for IPC class C23C 16/36
Total number of patents in this class: 698
10-year publication summary
|
54
|
72
|
61
|
59
|
91
|
68
|
54
|
61
|
44
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kokusai Electric Corporation | 2023 |
75 |
| Sumitomo Electric Hardmetal Corp. | 1026 |
71 |
| Kyocera Corporation | 13846 |
69 |
| Mitsubishi Materials Corporation | 2448 |
63 |
| Applied Materials, Inc. | 18706 |
44 |
| Versum Materials US, LLC | 642 |
34 |
| Tungaloy Corporation | 511 |
31 |
| AB Sandvik Coromant | 240 |
26 |
| Sandvik Intellectual Property AB | 1485 |
19 |
| Tokyo Electron Limited | 12751 |
16 |
| ASM IP Holding B.V. | 2080 |
16 |
| Corning Incorporated | 10268 |
14 |
| Kennametal Inc. | 1387 |
14 |
| Sumitomo Electric Industries, Ltd. | 15511 |
12 |
| Entegris, Inc. | 1870 |
11 |
| Walter AG | 263 |
11 |
| Sio2 Medical Products, LLC | 104 |
9 |
| Micron Technology, Inc. | 26256 |
8 |
| Lam Research Corporation | 5259 |
8 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10917 |
8 |
| Other owners | 139 |