- 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 1/32 - Means for protecting converters other than by automatic disconnection
Patent holdings for IPC class H02M 1/32
Total number of patents in this class: 4763
10-year publication summary
364
|
464
|
461
|
569
|
517
|
421
|
428
|
476
|
404
|
144
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
181 |
Siemens AG | 24990 |
132 |
Robert Bosch GmbH | 40953 |
129 |
Fuji Electric Co., Ltd. | 4750 |
114 |
Denso Corporation | 23338 |
100 |
ABB Schweiz AG | 6321 |
92 |
Rohm Co., Ltd. | 5843 |
83 |
Semiconductor Components Industries, L.L.C. | 5345 |
73 |
Texas Instruments Incorporated | 19376 |
69 |
Huawei Digital Power Technologies Co. Ltd. | 1527 |
67 |
General Electric Technology GmbH | 1657 |
62 |
Toyota Motor Corporation | 28582 |
57 |
Infineon Technologies Austria AG | 1954 |
56 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
52 |
SMA Solar Technology AG | 830 |
47 |
Murata Manufacturing Co., Ltd. | 22355 |
45 |
Delta Electronics (Shanghai) Co., Ltd. | 611 |
41 |
Hitachi Astemo, Ltd. | 5618 |
37 |
GE Energy Power Conversion Technology Ltd | 407 |
36 |
Delta Electronics, Inc. | 2401 |
35 |
Other owners | 3255 |