- 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: 519
10-year publication summary
45
|
59
|
46
|
56
|
35
|
33
|
16
|
39
|
26
|
14
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Novelis Inc. | 742 |
71 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2877 |
40 |
UACJ Corporation | 691 |
28 |
Constellium Neuf-brisach | 136 |
27 |
The Furukawa Electric Co., Ltd. | 3644 |
21 |
Sumitomo Electric Industries, Ltd. | 15414 |
15 |
Norsk Hydro ASA | 260 |
13 |
Resonac Corporation | 2766 |
13 |
Hydro Aluminium Rolled Products GmbH | 117 |
12 |
Sumitomo Wiring Systems, Ltd. | 10304 |
11 |
Showa Denko K.K. | 2258 |
11 |
AutoNetworks Technologies, Ltd. | 6546 |
11 |
Constellium SINGEN GmbH | 94 |
11 |
Furukawa Automotive Systems Inc. | 587 |
10 |
Nippon Light Metal Company, Ltd. | 661 |
8 |
Arconic Technologies LLC | 334 |
8 |
Novelis Koblenz GmbH | 86 |
8 |
Constellium Issoire | 219 |
7 |
Aleris Aluminum Duffel BVBA | 33 |
6 |
Aleris Rolled Products Germany GmbH | 62 |
6 |
Other owners | 182 |