- 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 22/12 - Orthophosphates containing zinc cations
Patent holdings for IPC class C23C 22/12
Total number of patents in this class: 91
10-year publication summary
3
|
5
|
16
|
8
|
9
|
4
|
6
|
8
|
5
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6067 |
15 |
Henkel AG & Co. KGaA | 10129 |
11 |
Nippon Steel Corporation | 5649 |
9 |
PPG Industries Ohio, Inc. | 3430 |
8 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
6 |
Chemetall GmbH | 382 |
5 |
Nihon Parkerizing Co., Ltd. | 274 |
4 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
3 |
BASF SE | 19740 |
2 |
DIPSOL Chemicals Co., Ltd. | 57 |
2 |
Sumitomo Metal Industries, Ltd. | 453 |
2 |
Taisei Plas Co., Ltd. | 48 |
2 |
Vallourec Oil and Gas France | 450 |
2 |
BASF AG | 1258 |
1 |
Caterpillar Inc. | 8877 |
1 |
Agency for Science, Technology and Research | 3512 |
1 |
Airbus Defence and Space GmbH | 886 |
1 |
AK Steel Properties, Inc. | 75 |
1 |
Atotech Deutschland GmbH | 586 |
1 |
KS Gleitlager GmbH | 70 |
1 |
Other owners | 13 |