- 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 22/08 - Orthophosphates
Patent holdings for IPC class C23C 22/08
Total number of patents in this class: 112
10-year publication summary
|
7
|
11
|
7
|
8
|
9
|
5
|
2
|
6
|
2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6514 |
17 |
| JFE Steel Corporation | 7074 |
9 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
6 |
| Nisshin Steel Co., Ltd. | 394 |
6 |
| Retomax AG | 6 |
5 |
| Chemetall GmbH | 374 |
4 |
| POSCO Co., Ltd. | 1601 |
4 |
| BASF SE | 21098 |
3 |
| Bulk Chemicals, Inc. | 42 |
3 |
| Chemeon Surface Technology, LLC | 26 |
3 |
| POSCO | 2173 |
3 |
| PPG Industries Ohio, Inc. | 3415 |
2 |
| Henkel AG & Co. KGaA | 10656 |
2 |
| Atotech Deutschland GmbH | 550 |
2 |
| Nihon Parkerizing Co., Ltd. | 291 |
2 |
| Nippon Light Metal Company, Ltd. | 672 |
2 |
| ThyssenKrupp Steel Europe AG | 962 |
2 |
| Yuken Industry Co., Ltd. | 63 |
2 |
| Hydromecanique et Frottement | 115 |
2 |
| Suzhou Innotech Medical Technology Co. Ltd. | 4 |
2 |
| Other owners | 31 |