- 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 22/62 - Treatment of iron or alloys based thereon
Patent holdings for IPC class C23C 22/62
Total number of patents in this class: 69
10-year publication summary
4
|
7
|
10
|
8
|
10
|
5
|
7
|
3
|
3
|
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 |
8 |
Voestalpine Stahl GmbH | 311 |
5 |
Ethicon, Inc. | 1310 |
3 |
Henkel AG & Co. KGaA | 10129 |
3 |
Nisshin Steel Co., Ltd. | 401 |
3 |
Illinois Tool Works Inc. | 11152 |
2 |
Bulk Chemicals, Inc. | 42 |
2 |
Chemetall GmbH | 382 |
2 |
Latitude 18, Inc. | 25 |
2 |
Nihon Parkerizing Co., Ltd. | 274 |
2 |
Westinghouse Electric Company LLC | 1087 |
2 |
Gp&e America, Inc. | 4 |
2 |
Shenzhen Changhongtai Technology Co., Ltd. | 16 |
2 |
BASF SE | 19740 |
1 |
Toyota Motor Corporation | 28582 |
1 |
Denso Corporation | 23338 |
1 |
Indesit Company S.p.A. | 256 |
1 |
Schaeffler Technologies AG & Co. KG | 8880 |
1 |
Schaeffler Technologies GmbH & Co. KG | 846 |
1 |
NTN Corporation | 5008 |
1 |
Other owners | 24 |