- 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 22/22 - Orthophosphates containing alkaline earth metal cations
Patent holdings for IPC class C23C 22/22
Total number of patents in this class: 72
10-year publication summary
|
5
|
11
|
13
|
5
|
5
|
4
|
5
|
6
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6538 |
11 |
| Nippon Steel Corporation | 5991 |
11 |
| Latitude 18, Inc. | 25 |
6 |
| POSCO Co., Ltd. | 1293 |
6 |
| Henkel AG & Co. KGaA | 10343 |
4 |
| Audi AG | 7270 |
4 |
| Chemetall GmbH | 381 |
4 |
| Nihon Parkerizing Co., Ltd. | 281 |
4 |
| Sumitomo Electric Industries, Ltd. | 14929 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 890 |
2 |
| National Institute for Materials Science | 1107 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| Sheet Pile, LLC | 80 |
2 |
| Suzhou Innotech Medical Technology Co. Ltd. | 4 |
2 |
| AK Steel Properties, Inc. | 75 |
1 |
| Atotech Deutschland GmbH | 566 |
1 |
| InnoTERE GmbH | 17 |
1 |
| Kabushiki Kaisha Riken | 274 |
1 |
| MTU Aero Engines GmbH | 522 |
1 |
| Taiho Kogyo Co., Ltd. | 335 |
1 |
| Other owners | 4 |