- 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 22/08 - Orthophosphates
Patent holdings for IPC class C23C 22/08
Total number of patents in this class: 108
10-year publication summary
8
|
7
|
12
|
7
|
10
|
10
|
5
|
2
|
5
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Steel Corporation | 5649 |
17 |
JFE Steel Corporation | 6067 |
10 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
6 |
Nisshin Steel Co., Ltd. | 401 |
6 |
Retomax AG | 7 |
5 |
Bulk Chemicals, Inc. | 42 |
4 |
BASF SE | 19740 |
3 |
Chemetall GmbH | 382 |
3 |
POSCO | 2222 |
3 |
PPG Industries Ohio, Inc. | 3430 |
2 |
Henkel AG & Co. KGaA | 10129 |
2 |
Atotech Deutschland GmbH | 586 |
2 |
Chemeon Surface Technology, LLC | 18 |
2 |
Nihon Parkerizing Co., Ltd. | 274 |
2 |
Nippon Light Metal Company, Ltd. | 645 |
2 |
POSCO Co., Ltd. | 1059 |
2 |
Yuken Industry Co., Ltd. | 60 |
2 |
Suzhou Innotech Medical Technology Co. Ltd. | 4 |
2 |
Siemens AG | 24990 |
1 |
Olympus Corporation | 13667 |
1 |
Other owners | 31 |