- All sections
- C - Chemistrymetallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/04 - 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
Patent holdings for IPC class C22F 1/04
Total number of patents in this class: 1860
10-year publication summary
|
119
|
127
|
143
|
118
|
134
|
96
|
112
|
92
|
88
|
72
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UACJ Corporation | 706 |
181 |
| Novelis Inc. | 766 |
118 |
| The Furukawa Electric Co., Ltd. | 3702 |
78 |
| Sumitomo Electric Industries, Ltd. | 15678 |
47 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2882 |
44 |
| Nippon Light Metal Company, Ltd. | 672 |
44 |
| Sumitomo Wiring Systems, Ltd. | 10509 |
37 |
| AutoNetworks Technologies, Ltd. | 6696 |
37 |
| Furukawa Automotive Systems Inc. | 594 |
32 |
| Toyo Aluminium Kabushiki Kaisha | 347 |
27 |
| C-TEC Constellium Technology Center | 63 |
25 |
| The Boeing Company | 20157 |
23 |
| Hydro Aluminium Rolled Products GmbH | 117 |
20 |
| Denso Corporation | 24601 |
18 |
| UACJ Foil Corporation | 53 |
18 |
| Constellium Issoire | 219 |
17 |
| Alcoa Inc. | 281 |
16 |
| Novelis Koblenz GmbH | 85 |
16 |
| MA Aluminum Corporation | 46 |
16 |
| GM Global Technology Operations LLC | 15239 |
15 |
| Other owners | 1031 |