- 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 14/32 - Vacuum evaporation by evaporation and subsequent ionisation of the vapours
Patent holdings for IPC class C23C 14/32
Total number of patents in this class: 1051
10-year publication summary
|
76
|
69
|
75
|
69
|
86
|
60
|
73
|
63
|
47
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Oerlikon Surface Solutions AG, Pfaffikon | 557 |
144 |
| Oerlikon Trading AG, Trubbach | 114 |
27 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2906 |
24 |
| SECO Tools AB | 460 |
24 |
| Walter AG | 252 |
22 |
| Mitsubishi Materials Corporation | 2405 |
21 |
| Tungaloy Corporation | 495 |
19 |
| Sumitomo Electric Hardmetal Corp. | 1005 |
17 |
| Applied Materials, Inc. | 17676 |
17 |
| Canon Anelva Corporation | 681 |
17 |
| Sandvik Intellectual Property AB | 1546 |
17 |
| Rtx Corporation | 9069 |
17 |
| Kyocera Corporation | 13319 |
15 |
| Vapor Technologies, Inc. | 63 |
12 |
| Kobe Steel, Ltd. | 862 |
12 |
| Nippon Itf, Inc. | 41 |
12 |
| Ferrotec Corporation | 20 |
11 |
| Nippon Piston Ring Co., Ltd. | 133 |
11 |
| AB Sandvik Coromant | 212 |
10 |
| Korloy Inc. | 250 |
10 |
| Other owners | 592 |