- 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 22/22 - Orthophosphates containing alkaline earth metal cations
Patent holdings for IPC class C23C 22/22
Total number of patents in this class: 74
10-year publication summary
|
11
|
13
|
5
|
5
|
5
|
5
|
7
|
4
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7378 |
12 |
| Nippon Steel Corporation | 6738 |
10 |
| POSCO Co., Ltd. | 1677 |
7 |
| Latitude 18, Inc. | 25 |
6 |
| Henkel AG & Co. KGaA | 10702 |
4 |
| Audi AG | 7488 |
4 |
| Chemetall GmbH | 387 |
4 |
| Nihon Parkerizing Co., Ltd. | 291 |
4 |
| Suzhou Innotech Medical Technology Co. Ltd. | 5 |
3 |
| Sumitomo Electric Industries, Ltd. | 16145 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 1086 |
2 |
| National Institute for Materials Science | 1089 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1985 |
2 |
| Sheet Pile, LLC | 70 |
2 |
| AK Steel Properties, Inc. | 75 |
1 |
| Atotech Deutschland GmbH | 529 |
1 |
| InnoTERE GmbH | 15 |
1 |
| Kabushiki Kaisha Riken | 301 |
1 |
| MTU Aero Engines GmbH | 433 |
1 |
| Taiho Kogyo Co., Ltd. | 328 |
1 |
| Other owners | 4 |