Patent holdings for IPC class H02K 3/04

Total number of patents in this class: 1219

10-year publication summary

87
105
101
127
135
117
78
88
70
28
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Denso Corporation
24120
122
Mitsubishi Electric Corporation
45811
72
Aisin AW Co., Ltd.
2338
60
Hitachi Automotive Systems, Ltd.
3958
57
Nidec Corporation
2644
35
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12864
32
Hitachi Astemo, Ltd.
6369
30
Hitachi, Ltd.
15434
21
Honda Motor Co., Ltd.
25137
16
Panasonic Intellectual Property Management Co., Ltd.
30967
15
Komatsu Ltd.
4505
14
Linear Labs, Inc.
75
14
Odawara Engineering Company Limited
30
11
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6274
11
Siemens AG
24561
10
Aisin Corporation
1516
10
Toshiba Corporation
12286
9
Sumitomo Electric Industries, Ltd.
15344
9
Robert Bosch GmbH
42450
9
GM Global Technology Operations LLC
14879
9
Other owners 653