- All sections
- C - Chemistrymetallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/043 - 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 with silicon as the next major constituent
Patent holdings for IPC class C22F 1/043
Total number of patents in this class: 673
10-year publication summary
|
60
|
80
|
42
|
50
|
51
|
44
|
56
|
62
|
60
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 742 |
64 |
| UACJ Corporation | 691 |
51 |
| Constellium Neuf-brisach | 136 |
34 |
| Nippon Light Metal Company, Ltd. | 661 |
24 |
| Arconic Technologies LLC | 334 |
23 |
| The Furukawa Electric Co., Ltd. | 3644 |
21 |
| Furukawa Automotive Systems Inc. | 587 |
14 |
| GM Global Technology Operations LLC | 14937 |
11 |
| Nippon Micrometal Corporation | 150 |
11 |
| Nippon Steel Chemical & Material Co., Ltd. | 646 |
11 |
| Showa Denko K.K. | 2258 |
10 |
| Constellium SINGEN GmbH | 94 |
10 |
| KSM Castings Group GmbH | 71 |
9 |
| Audi AG | 7344 |
8 |
| Ford Global Technologies, LLC | 20505 |
7 |
| Alcoa USA Corp. | 198 |
7 |
| Constellium Muscle Shoals LLC | 29 |
7 |
| Alloy Enterprises, Inc. | 32 |
7 |
| Resonac Corporation | 2766 |
7 |
| Hydro Aluminium Rolled Products GmbH | 117 |
6 |
| Other owners | 331 |