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