Patent holdings for IPC class H02M 3/155

Total number of patents in this class: 3504

10-year publication summary

228
240
302
262
233
223
239
229
223
67
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Electric Corporation
45414
219
Murata Manufacturing Co., Ltd.
24137
177
Rohm Co., Ltd.
6401
136
Sumitomo Electric Industries, Ltd.
15202
131
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12910
109
Sumitomo Wiring Systems, Ltd.
10157
105
AutoNetworks Technologies, Ltd.
6442
104
Panasonic Intellectual Property Management Co., Ltd.
30506
85
Denso Corporation
24007
64
Texas Instruments Incorporated
19460
60
Panasonic Corporation
20220
44
Fuji Electric Co., Ltd.
5057
40
Hitachi Automotive Systems, Ltd.
3958
31
Huawei Technologies Co., Ltd.
109214
31
Samsung Electronics Co., Ltd.
142124
30
Sharp Kabushiki Kaisha
18854
27
Infineon Technologies Austria AG
2106
25
Omron Corporation
7200
24
Ricoh Company, Ltd.
13198
23
Qualcomm Incorporated
83550
22
Other owners 2017