- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating 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: 684
10-year publication summary
|
54
|
72
|
60
|
59
|
91
|
68
|
53
|
60
|
43
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kokusai Electric Corporation | 1912 |
74 |
| Sumitomo Electric Hardmetal Corp. | 1006 |
71 |
| Kyocera Corporation | 13344 |
69 |
| Mitsubishi Materials Corporation | 2406 |
63 |
| Applied Materials, Inc. | 17745 |
43 |
| Versum Materials US, LLC | 621 |
32 |
| Tungaloy Corporation | 496 |
31 |
| AB Sandvik Coromant | 214 |
26 |
| Sandvik Intellectual Property AB | 1542 |
20 |
| Tokyo Electron Limited | 12115 |
15 |
| Corning Incorporated | 10125 |
14 |
| Kennametal Inc. | 1386 |
14 |
| ASM IP Holding B.V. | 1886 |
14 |
| Sumitomo Electric Industries, Ltd. | 14972 |
11 |
| Entegris, Inc. | 1814 |
11 |
| Walter AG | 253 |
11 |
| Sio2 Medical Products, LLC | 92 |
9 |
| Micron Technology, Inc. | 25824 |
8 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
8 |
| Lam Research Corporation | 5001 |
7 |
| Other owners | 133 |