- All sections
- C - Chemistry; metallurgy
- C22C - Alloys
- C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
Patent holdings for IPC class C22C 21/06
Total number of patents in this class: 906
10-year publication summary
59
|
74
|
85
|
109
|
61
|
68
|
57
|
62
|
48
|
13
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
80 |
Novelis Inc. | 656 |
73 |
UACJ Corporation | 631 |
69 |
The Furukawa Electric Co., Ltd. | 3486 |
33 |
Nippon Light Metal Company, Ltd. | 645 |
29 |
Novelis Koblenz GmbH | 93 |
18 |
Korea Institute of Industrial Technology | 994 |
15 |
Showa Denko K.K. | 2539 |
14 |
Aleris Rolled Products Germany GmbH | 62 |
14 |
Nippon Steel Corporation | 5649 |
13 |
Hydro Aluminium Rolled Products GmbH | 118 |
12 |
Arconic Technologies LLC | 219 |
12 |
Sumitomo Electric Industries, Ltd. | 14131 |
10 |
Constellium Issoire | 208 |
10 |
Alcoa Inc. | 323 |
9 |
Sumitomo Light Metal Industries, Ltd. | 61 |
9 |
AMAG rolling GmbH | 46 |
8 |
POSCO Co., Ltd. | 1059 |
8 |
Seagate Technology LLC | 4228 |
7 |
Aleris Aluminum Duffel BVBA | 36 |
7 |
Other owners | 456 |