- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 18/00 - Alloys based on zinc
Patent holdings for IPC class C22C 18/00
Total number of patents in this class: 740
10-year publication summary
|
52
|
52
|
49
|
55
|
24
|
75
|
53
|
56
|
73
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6895 |
212 |
| JFE Steel Corporation | 7549 |
146 |
| POSCO Co., Ltd. | 2015 |
36 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
26 |
| Nisshin Steel Co., Ltd. | 382 |
22 |
| POSCO | 2142 |
22 |
| Nissan Motor Co., Ltd. | 12966 |
14 |
| ArcelorMittal | 2680 |
11 |
| ThyssenKrupp Steel Europe AG | 992 |
10 |
| Tata Steel Ijmuiden B.V. | 328 |
6 |
| Honda Motor Co., Ltd. | 26034 |
5 |
| Mitsubishi Materials Corporation | 2475 |
5 |
| Mitsui Mining & Smelting Co., Ltd. | 1095 |
5 |
| Voestalpine Stahl GmbH | 388 |
5 |
| Safran Landing Systems | 775 |
5 |
| Xi'an Advanced Medical Technology Co., Ltd. | 6 |
5 |
| Sumitomo Electric Industries, Ltd. | 16355 |
4 |
| Fontaine Holdings NV | 63 |
4 |
| Baker Hughes Holdings LLC | 3021 |
4 |
| Massachusetts Institute of Technology | 10254 |
3 |
| Other owners | 190 |