- 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 18/22 - Roughening, e.g. by etching
Patent holdings for IPC class C23C 18/22
Total number of patents in this class: 111
10-year publication summary
6
|
14
|
17
|
8
|
13
|
7
|
8
|
5
|
4
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Atotech Deutschland GmbH | 586 |
17 |
Ascend Performance Materials Operations LLC | 260 |
5 |
Solvay Specialty Polymers Italy S.p.A. | 704 |
5 |
Kurita Water Industries Ltd. | 1110 |
4 |
MacDermid Acumen, Inc. | 162 |
4 |
Rtx Corporation | 8674 |
4 |
BYD Company Limited | 3700 |
3 |
DIC Corporation | 3597 |
3 |
YKK Corporation | 1916 |
3 |
E. I. du Pont de Nemours and Company | 4345 |
2 |
The Boeing Company | 19843 |
2 |
Gerhardi Kunststofftechnik GmbH | 26 |
2 |
Rohm and Haas Electronic Materials LLC | 637 |
2 |
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 699 |
2 |
Maxell, Ltd. | 2533 |
2 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
2 |
BASF SE | 19740 |
1 |
LG Chem, Ltd. | 17205 |
1 |
Hewlett-Packard Development Company, L.P. | 28538 |
1 |
Hyundai Motor Company | 19021 |
1 |
Other owners | 45 |