- 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 systems; conversion of dc or ac input power into surge output power; control or regulation thereof
- H02M 7/48 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
Patent holdings for IPC class H02M 7/48
Total number of patents in this class: 6306
10-year publication summary
395
|
390
|
445
|
589
|
685
|
495
|
489
|
457
|
420
|
137
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
836 |
Denso Corporation | 23338 |
334 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
251 |
Hitachi Automotive Systems, Ltd. | 3970 |
237 |
Hitachi, Ltd. | 16452 |
220 |
Fuji Electric Co., Ltd. | 4750 |
174 |
Daikin Industries, Ltd. | 9495 |
172 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
170 |
Hitachi Astemo, Ltd. | 5618 |
148 |
Nidec Corporation | 2579 |
136 |
Nissan Motor Co., Ltd. | 12249 |
96 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
95 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
92 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
83 |
Rohm Co., Ltd. | 5843 |
81 |
Sumitomo Electric Industries, Ltd. | 14131 |
75 |
Aisin AW Co., Ltd. | 2430 |
73 |
Kabushiki Kaisha Yaskawa Denki | 1468 |
64 |
Meidensha Corporation | 823 |
64 |
Enphase Energy, Inc. | 554 |
59 |
Other owners | 2846 |