Patent holdings for IPC class H01F 1/153

Total number of patents in this class: 762

10-year publication summary

42
46
73
100
67
77
65
64
49
26
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Hitachi Metals, Ltd.
1976
77
TDK Corporation
6791
77
Proterial, Ltd.
856
49
Murata Manufacturing Co., Ltd.
24650
38
Seiko Epson Corporation
19458
26
TOKIN Corporation
208
26
JFE Steel Corporation
6874
25
Vacuumschmelze GmbH & Co. KG
261
24
Metglas, Inc.
48
20
Samsung Electro-mechanics Co., Ltd.
5634
18
Delta Electronics (Japan), Inc.
42
18
3m Innovative Properties Company
17813
16
Toshiba Materials Co., Ltd.
665
14
Alps Alpine Co., Ltd.
2093
12
Qingdao Yunlu Advanced Materials Technology Co., Ltd.
41
12
Toyota Motor Corporation
32599
11
Nippon Steel Corporation
6296
11
Taiyo Yuden Co., Ltd.
1939
11
Toshiba Corporation
12383
10
Alps Electric Co., Ltd.
806
10
Other owners 257