- 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 22/53 - Treatment of zinc or alloys based thereon
Patent holdings for IPC class C23C 22/53
Total number of patents in this class: 170
10-year publication summary
15
|
9
|
15
|
12
|
18
|
11
|
5
|
7
|
9
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ArcelorMittal | 1887 |
16 |
Henkel AG & Co. KGaA | 10129 |
14 |
JFE Steel Corporation | 6067 |
12 |
DIPSOL Chemicals Co., Ltd. | 57 |
10 |
Atotech Deutschland GmbH | 586 |
8 |
BASF SE | 19740 |
5 |
Yuken Industry Co., Ltd. | 60 |
5 |
Chemetall GmbH | 382 |
4 |
POSCO Co., Ltd. | 1059 |
4 |
Atotech Deutschland GmbH & Co. KG | 354 |
4 |
Honda Motor Co., Ltd. | 24537 |
3 |
BASF AG | 1258 |
3 |
PPG Industries Ohio, Inc. | 3430 |
3 |
ArcelorMittal Investigacion y Desarrollo SL | 209 |
3 |
Bulk Chemicals, Inc. | 42 |
3 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
3 |
Nihon Parkerizing Co., Ltd. | 274 |
3 |
ThyssenKrupp Steel Europe AG | 924 |
3 |
BASF Coatings AG | 85 |
2 |
Ewald Dorken AG | 266 |
2 |
Other owners | 60 |