- 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: 525
10-year publication summary
40
|
51
|
38
|
49
|
32
|
29
|
15
|
34
|
23
|
20
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Novelis Inc. | 746 |
71 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2869 |
41 |
UACJ Corporation | 701 |
29 |
Constellium Neuf-brisach | 136 |
27 |
The Furukawa Electric Co., Ltd. | 3667 |
21 |
Resonac Corporation | 2812 |
16 |
Sumitomo Electric Industries, Ltd. | 15529 |
15 |
Norsk Hydro ASA | 258 |
13 |
Hydro Aluminium Rolled Products GmbH | 117 |
12 |
Sumitomo Wiring Systems, Ltd. | 10383 |
11 |
Showa Denko K.K. | 2220 |
11 |
AutoNetworks Technologies, Ltd. | 6606 |
11 |
Constellium SINGEN GmbH | 95 |
11 |
Furukawa Automotive Systems Inc. | 589 |
10 |
Nippon Light Metal Company, Ltd. | 663 |
8 |
Arconic Technologies LLC | 337 |
8 |
Novelis Koblenz GmbH | 85 |
8 |
Constellium Issoire | 219 |
7 |
Aleris Aluminum Duffel BVBA | 33 |
6 |
Aleris Rolled Products Germany GmbH | 62 |
6 |
Other owners | 183 |