Patent holdings for IPC class H02M 3/28

Total number of patents in this class: 2011

10-year publication summary

130
166
145
136
102
117
84
99
97
34
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Electric Corporation
47602
183
Murata Manufacturing Co., Ltd.
25514
97
Panasonic Intellectual Property Management Co., Ltd.
33507
94
Sumitomo Electric Industries, Ltd.
16091
58
Hitachi Automotive Systems, Ltd.
3954
55
Denso Corporation
25183
49
Rohm Co., Ltd.
6747
40
Fuji Electric Co., Ltd.
5390
38
Panasonic Corporation
19586
36
Hitachi, Ltd.
15895
35
Sumitomo Wiring Systems, Ltd.
10777
35
AutoNetworks Technologies, Ltd.
6931
35
TDK Corporation
6807
28
Omron Corporation
7331
26
Shindengen Electric Manufacturing Co., Ltd.
837
25
Huawei Technologies Co., Ltd.
120098
23
Texas Instruments Incorporated
19631
20
Sharp Kabushiki Kaisha
18605
20
Delta Electronics, Inc.
2777
19
Hitachi Astemo, Ltd.
6409
19
Other owners 1076