- 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 22/18 - Orthophosphates containing manganese cations
Patent holdings for IPC class C23C 22/18
Total number of patents in this class: 107
10-year publication summary
5
|
3
|
8
|
14
|
7
|
10
|
14
|
10
|
7
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Chemetall GmbH | 382 |
27 |
JFE Steel Corporation | 6067 |
11 |
Nippon Steel Corporation | 5649 |
10 |
Henkel AG & Co. KGaA | 10129 |
7 |
ThyssenKrupp Steel Europe AG | 924 |
5 |
Vallourec Oil and Gas France | 450 |
4 |
PPG Industries Ohio, Inc. | 3430 |
3 |
Nihon Parkerizing Co., Ltd. | 274 |
3 |
JTEKT Corporation | 2423 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
2 |
Rhodia Operations | 1645 |
2 |
Safran Aircraft Engines | 5739 |
2 |
Taisei Plas Co., Ltd. | 48 |
2 |
Tata Steel Ijmuiden B.V. | 283 |
2 |
Mussel Polymers, Inc. | 20 |
2 |
TDK Corporation | 6306 |
1 |
Hamilton Sundstrand Corporation | 4525 |
1 |
NSK Ltd. | 2719 |
1 |
National Taiwan University | 1140 |
1 |
Atotech Deutschland GmbH | 586 |
1 |
Other owners | 18 |