- All sections
- C - Chemistrymetallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
Patent holdings for IPC class C22F 1/05
Total number of patents in this class: 547
10-year publication summary
|
59
|
46
|
56
|
36
|
33
|
17
|
40
|
29
|
31
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 773 |
78 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2833 |
41 |
| UACJ Corporation | 726 |
30 |
| Constellium Neuf-brisach | 139 |
27 |
| The Furukawa Electric Co., Ltd. | 3704 |
20 |
| Resonac Corporation | 3265 |
17 |
| Sumitomo Electric Industries, Ltd. | 16171 |
15 |
| Constellium SINGEN GmbH | 109 |
13 |
| Norsk Hydro ASA | 249 |
12 |
| Sumitomo Wiring Systems, Ltd. | 10843 |
11 |
| Showa Denko K.K. | 2091 |
11 |
| AutoNetworks Technologies, Ltd. | 6981 |
11 |
| Furukawa Automotive Systems Inc. | 604 |
10 |
| Hydro Aluminium Rolled Products GmbH | 113 |
9 |
| Novelis Koblenz GmbH | 86 |
9 |
| Nippon Light Metal Company, Ltd. | 684 |
8 |
| Constellium Issoire | 226 |
7 |
| Constellium Valais SA (ag-ltd) | 22 |
7 |
| Arconic Technologies LLC | 236 |
7 |
| Aleris Aluminum Duffel BVBA | 28 |
6 |
| Other owners | 198 |