- All sections
- H - Electricity
- H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systemsconversion of dc or ac input power into surge output powercontrol or regulation thereof
- H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
Patent holdings for IPC class H02M 3/155
Total number of patents in this class: 3634
10-year publication summary
|
232
|
299
|
262
|
231
|
220
|
234
|
224
|
225
|
198
|
46
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47529 |
224 |
| Murata Manufacturing Co., Ltd. | 25485 |
184 |
| Rohm Co., Ltd. | 6734 |
132 |
| Sumitomo Electric Industries, Ltd. | 16061 |
131 |
| Sumitomo Wiring Systems, Ltd. | 10758 |
105 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12532 |
105 |
| AutoNetworks Technologies, Ltd. | 6915 |
104 |
| Panasonic Intellectual Property Management Co., Ltd. | 33438 |
97 |
| Denso Corporation | 25153 |
70 |
| Texas Instruments Incorporated | 19621 |
69 |
| Panasonic Corporation | 19739 |
44 |
| Fuji Electric Co., Ltd. | 5377 |
43 |
| Samsung Electronics Co., Ltd. | 153357 |
38 |
| Huawei Technologies Co., Ltd. | 119724 |
32 |
| Hitachi Automotive Systems, Ltd. | 3954 |
31 |
| Infineon Technologies Austria AG | 2287 |
29 |
| Omron Corporation | 7339 |
27 |
| Sharp Kabushiki Kaisha | 18641 |
27 |
| Qualcomm Incorporated | 90013 |
22 |
| Intel Corporation | 46633 |
22 |
| Other owners | 2098 |