Patent holdings for IPC class B22D 21/06

Total number of patents in this class: 50

10-year publication summary

6
8
3
3
2
3
1
2
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nippon Steel & Sumitomo Metal Corporation
1985
11
Nippon Steel Corporation
6607
9
Toho Titanium Co., Ltd.
258
4
JX Nippon Mining & Metals Corporation
1471
3
Rtx Corporation
9765
3
Hitachi Metals, Ltd.
1936
2
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2855
2
Magnesium Products of America Inc.
24
2
General Electric Company
13777
1
Halliburton Energy Services, Inc.
21115
1
Callaway Golf Company
1027
1
The Furukawa Electric Co., Ltd.
3711
1
Alpha Assembly Solutions Inc.
208
1
Black TIP Services, LLC
1
1
Crucible Intellectual Property, LLC
87
1
Furukawa Techno Material Co., Ltd.
29
1
IHI Corporation
3499
1
Kobe Steel, Ltd.
892
1
Materion Corporation
316
1
National Institute for Materials Science
1090
1
Other owners 2