- All sections
- C - Chemistry; metallurgy
- C22C - Alloys
- C22C 21/10 - Alloys based on aluminium with zinc as the next major constituent
Patent holdings for IPC class C22C 21/10
Total number of patents in this class: 884
10-year publication summary
|
73
|
75
|
92
|
103
|
76
|
84
|
83
|
67
|
76
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 656 |
68 |
| UACJ Corporation | 631 |
47 |
| Nippon Steel Corporation | 5649 |
34 |
| ArcelorMittal | 1887 |
27 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
26 |
| Novelis Koblenz GmbH | 93 |
26 |
| Arconic Technologies LLC | 219 |
24 |
| JFE Steel Corporation | 6067 |
19 |
| Aisin Keikinzoku Co., Ltd. | 83 |
17 |
| Constellium Issoire | 208 |
17 |
| Aleris Rolled Products Germany GmbH | 62 |
13 |
| Kobe Steel, Ltd. | 912 |
13 |
| Arconic Technologies LLC | 95 |
13 |
| Denso Corporation | 23338 |
12 |
| Alcoa Inc. | 323 |
12 |
| POSCO | 2222 |
12 |
| Aleris Aluminum Duffel BVBA | 36 |
11 |
| JFE Galvanizing & Coating Co., Ltd. | 31 |
11 |
| Nippon Light Metal Company, Ltd. | 645 |
11 |
| Arconic Inc. | 259 |
11 |
| Other owners | 460 |