Patent holdings for IPC class H02P 23/04

Total number of patents in this class: 284

10-year publication summary

18
16
32
33
23
20
30
27
28
9
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Electric Corporation
47602
23
Nidec Corporation
2765
14
Hitachi Astemo, Ltd.
6409
11
Denso Corporation
25183
10
Robert Bosch GmbH
43587
8
Siemens AG
24200
7
Nidec elesys Corporation
71
7
Panasonic Intellectual Property Management Co., Ltd.
33507
6
Daikin Industries, Ltd.
10384
6
Hitachi Automotive Systems, Ltd.
3954
5
Rockwell Automation Technologies, Inc.
2736
5
ABB Schweiz AG
7441
5
Meidensha Corporation
929
5
Tula Technology, Inc.
350
5
Minebea Mitsumi Inc.
1879
5
Toyota Motor Corporation
34633
4
JTEKT Corporation
2554
4
NSK Ltd.
2824
4
Hitachi Industrial Equipment Systems Co., Ltd.
1519
4
Max Co., Ltd.
840
4
Other owners 142