- 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: 546
10-year publication summary
|
51
|
38
|
49
|
33
|
29
|
16
|
34
|
23
|
30
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 786 |
76 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2842 |
42 |
| UACJ Corporation | 721 |
30 |
| Constellium Neuf-brisach | 141 |
28 |
| The Furukawa Electric Co., Ltd. | 3713 |
21 |
| Resonac Corporation | 3148 |
16 |
| Sumitomo Electric Industries, Ltd. | 16034 |
15 |
| Constellium SINGEN GmbH | 104 |
13 |
| Norsk Hydro ASA | 250 |
12 |
| Sumitomo Wiring Systems, Ltd. | 10735 |
11 |
| Showa Denko K.K. | 2118 |
11 |
| AutoNetworks Technologies, Ltd. | 6897 |
11 |
| Hydro Aluminium Rolled Products GmbH | 115 |
11 |
| Furukawa Automotive Systems Inc. | 602 |
10 |
| Nippon Light Metal Company, Ltd. | 678 |
8 |
| Novelis Koblenz GmbH | 85 |
8 |
| Constellium Valais SA (ag-ltd) | 22 |
7 |
| Arconic Technologies LLC | 239 |
7 |
| Aleris Aluminum Duffel BVBA | 32 |
6 |
| Aleris Rolled Products Germany GmbH | 62 |
6 |
| Other owners | 197 |