- 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: 1876
10-year publication summary
|
134
|
160
|
128
|
140
|
108
|
119
|
98
|
94
|
82
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UACJ Corporation | 723 |
181 |
| Novelis Inc. | 767 |
120 |
| The Furukawa Electric Co., Ltd. | 3700 |
78 |
| Sumitomo Electric Industries, Ltd. | 16091 |
49 |
| Nippon Light Metal Company, Ltd. | 680 |
45 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
42 |
| Sumitomo Wiring Systems, Ltd. | 10777 |
37 |
| AutoNetworks Technologies, Ltd. | 6931 |
37 |
| Furukawa Automotive Systems Inc. | 603 |
32 |
| Toyo Aluminium Kabushiki Kaisha | 347 |
28 |
| C-TEC Constellium Technology Center | 64 |
25 |
| The Boeing Company | 20097 |
23 |
| Denso Corporation | 25183 |
18 |
| Hydro Aluminium Rolled Products GmbH | 115 |
18 |
| UACJ Foil Corporation | 55 |
18 |
| Constellium Issoire | 225 |
17 |
| MA Aluminum Corporation | 47 |
17 |
| GM Global Technology Operations LLC | 15817 |
16 |
| Novelis Koblenz GmbH | 85 |
16 |
| Alcoa Inc. | 265 |
15 |
| Other owners | 1044 |