- 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 22/53 - Treatment of zinc or alloys based thereon
Patent holdings for IPC class C23C 22/53
Total number of patents in this class: 163
10-year publication summary
|
15
|
12
|
18
|
11
|
6
|
7
|
9
|
7
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2688 |
16 |
| Henkel AG & Co. KGaA | 10767 |
15 |
| JFE Steel Corporation | 7562 |
11 |
| DIPSOL Chemicals Co., Ltd. | 60 |
8 |
| POSCO Co., Ltd. | 2017 |
7 |
| Chemeon Surface Technology, LLC | 30 |
6 |
| BASF SE | 21318 |
5 |
| Atotech Deutschland GmbH | 523 |
5 |
| Yuken Industry Co., Ltd. | 63 |
5 |
| Nippon Steel Corporation | 6911 |
4 |
| Atotech Deutschland GmbH & Co. KG | 391 |
4 |
| Honda Motor Co., Ltd. | 26064 |
3 |
| ArcelorMittal Investigacion y Desarrollo SL | 207 |
3 |
| Bulk Chemicals, Inc. | 42 |
3 |
| Chemetall GmbH | 373 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2837 |
3 |
| ThyssenKrupp Steel Europe AG | 993 |
3 |
| PPG Industries Ohio, Inc. | 3325 |
2 |
| Ewald Dorken AG | 242 |
2 |
| Nihon Parkerizing Co., Ltd. | 295 |
2 |
| Other owners | 53 |