- 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 22/57 - Treatment of magnesium or alloys based thereon
Patent holdings for IPC class C23C 22/57
Total number of patents in this class: 58
10-year publication summary
9
|
1
|
2
|
6
|
3
|
7
|
3
|
4
|
4
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
POSCO | 2222 |
4 |
Taisei Plas Co., Ltd. | 48 |
3 |
Hewlett-Packard Development Company, L.P. | 28538 |
2 |
PPG Industries Ohio, Inc. | 3430 |
2 |
Mitsui Chemicals, Inc. | 3134 |
2 |
National Institute of Advanced Industrial Science and Technology | 3677 |
2 |
The Curators of the University of Missouri | 965 |
2 |
Fuji Light Metal Co., Ltd. | 13 |
2 |
Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH | 67 |
2 |
Nihon Parkerizing Co., Ltd. | 274 |
2 |
Mel-frontier, Ltd. | 2 |
2 |
BASF SE | 19740 |
1 |
Centre National de La Recherche Scientifique | 9632 |
1 |
Sumitomo Electric Industries, Ltd. | 14131 |
1 |
Hon Hai Precision Industry Co., Ltd. | 4157 |
1 |
Hitachi, Ltd. | 16452 |
1 |
GM Global Technology Operations LLC | 13620 |
1 |
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd. | 169 |
1 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
Henkel AG & Co. KGaA | 10129 |
1 |
Other owners | 24 |