- 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: 70
10-year publication summary
3
|
5
|
11
|
13
|
5
|
6
|
4
|
5
|
6
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6067 |
11 |
Nippon Steel Corporation | 5649 |
10 |
Latitude 18, Inc. | 25 |
6 |
POSCO Co., Ltd. | 1059 |
5 |
Henkel AG & Co. KGaA | 10129 |
4 |
Audi AG | 7153 |
4 |
Nihon Parkerizing Co., Ltd. | 274 |
4 |
Chemetall GmbH | 382 |
3 |
Sumitomo Electric Industries, Ltd. | 14131 |
2 |
Baoshan Iron & Steel Co., Ltd. | 832 |
2 |
National Institute for Materials Science | 1108 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
2 |
Sheet Pile, LLC | 96 |
2 |
Suzhou Innotech Medical Technology Co. Ltd. | 4 |
2 |
AK Steel Properties, Inc. | 75 |
1 |
Atotech Deutschland GmbH | 586 |
1 |
InnoTERE GmbH | 17 |
1 |
Kabushiki Kaisha Riken | 265 |
1 |
MTU Aero Engines GmbH | 565 |
1 |
Taiho Kogyo Co., Ltd. | 341 |
1 |
Other owners | 5 |