- 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 14/30 - 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: 430
10-year publication summary
35
|
47
|
51
|
45
|
49
|
43
|
37
|
41
|
31
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rtx Corporation | 8674 |
45 |
Essilor International (compagnie Generale D'optique) | 2918 |
14 |
Applied Materials, Inc. | 16587 |
13 |
The Regents of the University of California | 18943 |
12 |
Von Ardenne Asset GmbH & Co. KG | 57 |
10 |
ULVAC, Inc. | 1448 |
9 |
Halliburton Energy Services, Inc. | 20165 |
6 |
ArcelorMittal | 1887 |
6 |
FEI Company | 851 |
6 |
Sandvik Intellectual Property AB | 1634 |
6 |
Toyobo Co., Ltd. | 2286 |
6 |
General Electric Company | 18133 |
5 |
Honeywell International Inc. | 13799 |
5 |
Konica Minolta, Inc. | 8349 |
4 |
Tsinghua University | 5426 |
4 |
Carl Zeiss SMT GmbH | 2646 |
4 |
ALD Vacuum Technologies GmbH | 138 |
4 |
Corporation de l'École Polytechnique de Montréal | 103 |
4 |
Rolls-Royce Corporation | 1686 |
4 |
University of Virginia Patent Foundation | 1470 |
4 |
Other owners | 259 |