Patent holdings for IPC class H01F 41/02

Total number of patents in this class: 4375

10-year publication summary

335
348
362
400
347
355
420
397
308
109
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Hitachi Metals, Ltd.
2175
217
Murata Manufacturing Co., Ltd.
22355
192
TDK Corporation
6306
165
Sumitomo Electric Industries, Ltd.
14131
99
Proterial, Ltd.
638
89
JFE Steel Corporation
6067
88
Nippon Steel Corporation
5649
74
Shin-Etsu Chemical Co., Ltd.
5132
73
Nitto Denko Corporation
7879
71
Toyota Motor Corporation
28582
64
Fujian Changting Golden Dragon Rare-earth Co., Ltd.
81
62
Xiamen Tungsten Co., Ltd.
99
60
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
13301
54
Taiyo Yuden Co., Ltd.
1809
53
Samsung Electro-mechanics Co., Ltd.
4798
37
Nissan Motor Co., Ltd.
12249
37
Sumitomo Wiring Systems, Ltd.
9367
37
AutoNetworks Technologies, Ltd.
5809
35
Intermetallics Co., Ltd.
34
34
Mitsui High-tec, Inc.
265
34
Other owners 2800