- 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 22/18 - Orthophosphates containing manganese cations
Patent holdings for IPC class C23C 22/18
Total number of patents in this class: 124
10-year publication summary
|
8
|
14
|
7
|
10
|
14
|
11
|
8
|
7
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chemetall GmbH | 374 |
32 |
| JFE Steel Corporation | 7589 |
11 |
| Henkel AG & Co. KGaA | 10758 |
8 |
| Nippon Steel Corporation | 6932 |
7 |
| ThyssenKrupp Steel Europe AG | 995 |
7 |
| PPG Industries Ohio, Inc. | 3324 |
3 |
| Nihon Parkerizing Co., Ltd. | 297 |
3 |
| Vallourec Oil and Gas France | 454 |
3 |
| Hydromecanique et Frottement | 127 |
3 |
| Centre National de La Recherche Scientifique | 11059 |
2 |
| Airbus Helicopters | 952 |
2 |
| JTEKT Corporation | 2605 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
2 |
| Rhodia Operations | 1488 |
2 |
| Safran Aircraft Engines | 6727 |
2 |
| Safran Helicopter Engines | 847 |
2 |
| Taisei Plas Co., Ltd. | 41 |
2 |
| Tata Steel Ijmuiden B.V. | 328 |
2 |
| Universite de Pau et des Pays de L'adour | 89 |
2 |
| Mussel Polymers, Inc. | 32 |
2 |
| Other owners | 25 |