- 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: 3659
10-year publication summary
|
240
|
302
|
262
|
233
|
222
|
238
|
226
|
224
|
203
|
101
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48236 |
225 |
| Murata Manufacturing Co., Ltd. | 25847 |
185 |
| Sumitomo Electric Industries, Ltd. | 16331 |
134 |
| Rohm Co., Ltd. | 6885 |
132 |
| Sumitomo Wiring Systems, Ltd. | 11139 |
108 |
| AutoNetworks Technologies, Ltd. | 7211 |
107 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
106 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12331 |
90 |
| Denso Corporation | 25676 |
73 |
| Texas Instruments Incorporated | 19639 |
71 |
| Fuji Electric Co., Ltd. | 5521 |
43 |
| Panasonic Corporation | 18809 |
40 |
| Samsung Electronics Co., Ltd. | 158605 |
39 |
| Huawei Technologies Co., Ltd. | 124379 |
32 |
| Hitachi Automotive Systems, Ltd. | 3954 |
31 |
| Infineon Technologies Austria AG | 2351 |
31 |
| Omron Corporation | 7402 |
27 |
| Sharp Kabushiki Kaisha | 18495 |
27 |
| Intel Corporation | 47162 |
23 |
| Navitas Semiconductor Limited | 202 |
23 |
| Other owners | 2112 |