Patent holdings for IPC class B22D 1/00

Total number of patents in this class: 310

10-year publication summary

40
28
15
14
29
22
26
13
29
15
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Refractory Intellectual Property GmbH & Co. KG
545
20
Nippon Steel Corporation
6238
13
Mitsui Mining & Smelting Co., Ltd.
1482
9
Foseco International Limited
213
8
Zhuhai Runxingtai Electrical Co., Ltd
22
7
POSCO
2186
6
Pyrotek, Inc.
201
6
JFE Steel Corporation
6840
5
Krosakiharima Corporation
283
5
Southwire Company, LLC
782
5
The Furukawa Electric Co., Ltd.
3650
4
GM Global Technology Operations LLC
15042
3
Akebono Brake Industry Co., Ltd.
358
3
Constellium Issoire
218
3
Harbisonwalker International, Inc.
205
3
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2874
3
Mitsubishi Shindoh Co., Ltd.
126
3
Sylatech Limited
7
3
Tohoku University
2783
3
Vesuvius Crucible Company
40
3
Other owners 195