- 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: 1887
10-year publication summary
|
134
|
160
|
128
|
140
|
108
|
119
|
99
|
94
|
85
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UACJ Corporation | 733 |
181 |
| Novelis Inc. | 779 |
122 |
| The Furukawa Electric Co., Ltd. | 3701 |
78 |
| Sumitomo Electric Industries, Ltd. | 16305 |
49 |
| Nippon Light Metal Company, Ltd. | 682 |
45 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2831 |
40 |
| Sumitomo Wiring Systems, Ltd. | 10987 |
37 |
| AutoNetworks Technologies, Ltd. | 7089 |
37 |
| Furukawa Automotive Systems Inc. | 604 |
32 |
| Toyo Aluminium Kabushiki Kaisha | 349 |
29 |
| C-TEC Constellium Technology Center | 66 |
26 |
| The Boeing Company | 20160 |
22 |
| Denso Corporation | 25513 |
18 |
| Hydro Aluminium Rolled Products GmbH | 113 |
18 |
| UACJ Foil Corporation | 56 |
18 |
| MA Aluminum Corporation | 48 |
18 |
| Constellium Issoire | 226 |
17 |
| GM Global Technology Operations LLC | 16106 |
16 |
| Constellium Neuf-brisach | 140 |
16 |
| Alcoa Inc. | 255 |
15 |
| Other owners | 1053 |