- 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 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
Patent holdings for IPC class C23C 22/80
Total number of patents in this class: 83
10-year publication summary
|
2
|
9
|
6
|
7
|
6
|
8
|
7
|
2
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chemetall GmbH | 381 |
21 |
| PPG Industries Ohio, Inc. | 3443 |
15 |
| Henkel AG & Co. KGaA | 10343 |
8 |
| ThyssenKrupp Steel Europe AG | 956 |
5 |
| Nihon Parkerizing Co., Ltd. | 281 |
4 |
| Atotech Deutschland GmbH | 566 |
3 |
| Rhodia Operations | 1588 |
3 |
| Aktiebolaget SKF | 2834 |
2 |
| Nippon Paint Co., Ltd. | 99 |
2 |
| Nippon Steel Corporation | 5991 |
2 |
| Robert Bosch GmbH | 41717 |
1 |
| PRC-DeSoto International, Inc. | 577 |
1 |
| Foxconn Technology Co., Ltd. | 75 |
1 |
| Baoshan Iron & Steel Co., Ltd. | 890 |
1 |
| BASF Coatings GmbH | 1171 |
1 |
| Ewald Dorken AG | 261 |
1 |
| Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | 5 |
1 |
| Henkel (China) Company Limited | 117 |
1 |
| National Institute of Forest Science | 17 |
1 |
| Nippon Paint Surf Chemicals Co., Ltd. | 89 |
1 |
| Other owners | 8 |