- 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 16/27 - Diamond only
Patent holdings for IPC class C23C 16/27
Total number of patents in this class: 981
10-year publication summary
|
74
|
73
|
67
|
70
|
82
|
57
|
52
|
53
|
68
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Element Six Technologies Limited | 207 |
63 |
| Sumitomo Electric Industries, Ltd. | 16305 |
43 |
| Sumitomo Electric Hardmetal Corp. | 1101 |
40 |
| Applied Materials, Inc. | 20363 |
36 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
17 |
| AKHAN Semiconductor, Inc. | 50 |
16 |
| Shin-Etsu Chemical Co., Ltd. | 6083 |
14 |
| Element Six Limited | 74 |
14 |
| Board of Trustees of Michigan State University | 1208 |
13 |
| II-VI Delaware, Inc. | 1624 |
11 |
| CemeCon AG | 68 |
10 |
| Tokyo Electron Limited | 13796 |
9 |
| Kyocera Corporation | 14335 |
9 |
| Carboncompetence GmbH | 10 |
9 |
| Mitsubishi Electric Corporation | 47971 |
8 |
| National University of Singapore | 2582 |
8 |
| Nippon Itf, Inc. | 40 |
8 |
| Shin-Etsu Handotai Co., Ltd. | 1306 |
8 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6118 |
8 |
| Rfhic Corporation | 50 |
7 |
| Other owners | 630 |