Patent holdings for IPC class H02P 21/05

Total number of patents in this class: 490

10-year publication summary

16
20
48
45
46
43
47
47
48
28
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Electric Corporation
48236
53
Hitachi Astemo, Ltd.
6422
30
Denso Corporation
25676
25
Robert Bosch GmbH
44252
18
Nidec Corporation
2828
18
NSK Ltd.
2838
15
Daikin Industries, Ltd.
10513
12
Nissan Motor Co., Ltd.
13016
11
Schaeffler Technologies AG & Co. KG
11125
10
Jiangsu University
1175
8
Siemens Gamesa Renewable Energy A/S
1971
8
Hitachi Industrial Equipment Systems Co., Ltd.
1553
7
RENAULT s.a.s.
5372
7
Mitsubishi Electric Mobility Corporation
1163
7
Hyundai Motor Company
24852
6
TRW Limited
232
6
Siemens AG
23983
5
Panasonic Intellectual Property Management Co., Ltd.
34335
5
Electro Standards Laboratories
28
5
Fujitsu General Limited
601
5
Other owners 229