- 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 22/23 - Condensed phosphates
Patent holdings for IPC class C23C 22/23
Total number of patents in this class: 11
10-year publication summary
2
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0
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2
|
0
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3
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1
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0
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1
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0
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6067 |
2 |
Yuken Industry Co., Ltd. | 60 |
2 |
Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 47 |
1 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
Nihon Parkerizing Co., Ltd. | 274 |
1 |
Nippon Paint Surf Chemicals Co., Ltd. | 82 |
1 |
Nippon Steel Corporation | 5649 |
1 |
POSCO | 2222 |
1 |
Shenzhen Changhongtai Technology Co., Ltd. | 16 |
1 |
Other owners | 0 |