- 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: 654
10-year publication summary
49
|
54
|
72
|
59
|
59
|
90
|
68
|
53
|
59
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kokusai Electric Corporation | 1791 |
72 |
Kyocera Corporation | 12735 |
67 |
Sumitomo Electric Hardmetal Corp. | 969 |
66 |
Mitsubishi Materials Corporation | 2378 |
63 |
Applied Materials, Inc. | 16587 |
41 |
Tungaloy Corporation | 481 |
31 |
Versum Materials US, LLC | 591 |
29 |
AB Sandvik Coromant | 175 |
20 |
Sandvik Intellectual Property AB | 1634 |
20 |
Tokyo Electron Limited | 11599 |
15 |
Corning Incorporated | 9932 |
15 |
Kennametal Inc. | 1380 |
13 |
Sio2 Medical Products, Inc. | 199 |
13 |
ASM IP Holding B.V. | 1715 |
11 |
Walter AG | 240 |
11 |
Entegris, Inc. | 1736 |
10 |
Sumitomo Electric Industries, Ltd. | 14131 |
9 |
Micron Technology, Inc. | 24960 |
8 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
8 |
Lam Research Corporation | 4775 |
7 |
Other owners | 125 |