- All sections
- C - Chemistry; metallurgy
- 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: 1738
10-year publication summary
|
131
|
128
|
133
|
160
|
127
|
139
|
104
|
114
|
95
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UACJ Corporation | 631 |
169 |
| Novelis Inc. | 656 |
101 |
| The Furukawa Electric Co., Ltd. | 3486 |
75 |
| Sumitomo Electric Industries, Ltd. | 14131 |
47 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
47 |
| Nippon Light Metal Company, Ltd. | 645 |
46 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
37 |
| AutoNetworks Technologies, Ltd. | 5809 |
37 |
| Furukawa Automotive Systems Inc. | 558 |
31 |
| Toyo Aluminium Kabushiki Kaisha | 357 |
28 |
| The Boeing Company | 19843 |
22 |
| Alcoa Inc. | 323 |
20 |
| C-TEC Constellium Technology Center | 51 |
20 |
| Hydro Aluminium Rolled Products GmbH | 118 |
20 |
| Denso Corporation | 23338 |
18 |
| UACJ Foil Corporation | 51 |
18 |
| Novelis Koblenz GmbH | 93 |
18 |
| GM Global Technology Operations LLC | 13620 |
17 |
| Constellium Issoire | 208 |
16 |
| Mitsubishi Aluminum Co., Ltd. | 58 |
16 |
| Other owners | 935 |