- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 18/04 - Alloys based on zinc with aluminium as the next major constituent
Patent holdings for IPC class C22C 18/04
Total number of patents in this class: 730
10-year publication summary
|
42
|
34
|
54
|
49
|
54
|
43
|
59
|
58
|
78
|
60
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6396 |
218 |
| JFE Steel Corporation | 6974 |
126 |
| Nisshin Steel Co., Ltd. | 394 |
43 |
| POSCO Co., Ltd. | 1573 |
40 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
31 |
| POSCO | 2179 |
22 |
| ArcelorMittal | 2334 |
20 |
| JFE Galvanizing & Coating Co., Ltd. | 32 |
12 |
| Nissan Motor Co., Ltd. | 12572 |
10 |
| BlueScope Steel Limited | 208 |
10 |
| ThyssenKrupp Steel Europe AG | 961 |
10 |
| Nippon Steel Nisshin Co., Ltd. | 98 |
9 |
| Hyundai Steel Company | 443 |
8 |
| Tata Steel Ijmuiden B.V. | 310 |
6 |
| Voestalpine Stahl GmbH | 362 |
5 |
| Nippon Steel Coated Sheet Corporation | 30 |
5 |
| Baoshan Iron & Steel Co., Ltd. | 968 |
4 |
| Ningbo Powerway Alloy Material Co., Ltd. | 33 |
4 |
| Sumitomo Metal Mining Co., Ltd. | 1794 |
4 |
| ArcelorMittal Investigacion y Desarrollo SL | 209 |
3 |
| Other owners | 140 |