- 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 14/30 - Vacuum evaporation by wave energy or particle radiation by electron bombardment
Patent holdings for IPC class C23C 14/30
Total number of patents in this class: 453
10-year publication summary
|
47
|
51
|
43
|
45
|
42
|
37
|
41
|
32
|
23
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9410 |
45 |
| Essilor International (compagnie Generale D'optique) | 2990 |
15 |
| The Regents of the University of California | 19961 |
11 |
| Applied Materials, Inc. | 18746 |
10 |
| Von Ardenne Asset GmbH & Co. KG | 72 |
10 |
| ULVAC, Inc. | 1379 |
9 |
| Toyobo Co., Ltd. | 2498 |
7 |
| Halliburton Energy Services, Inc. | 20911 |
6 |
| ArcelorMittal | 2293 |
6 |
| FEI Company | 947 |
6 |
| General Electric Company | 13810 |
5 |
| Tsinghua University | 5940 |
5 |
| Sandvik Intellectual Property AB | 1482 |
5 |
| Honeywell International Inc. | 13540 |
4 |
| Konica Minolta, Inc. | 8755 |
4 |
| Carl Zeiss SMT GmbH | 2999 |
4 |
| ALD Vacuum Technologies GmbH | 138 |
4 |
| Corporation de l'École Polytechnique de Montréal | 105 |
4 |
| Rolls-Royce Corporation | 1739 |
4 |
| University of Virginia Patent Foundation | 1572 |
4 |
| Other owners | 285 |