- 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: 5083
10-year publication summary
|
464
|
461
|
569
|
517
|
421
|
432
|
489
|
420
|
439
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44678 |
182 |
| Robert Bosch GmbH | 41695 |
139 |
| Siemens AG | 24575 |
136 |
| Fuji Electric Co., Ltd. | 4949 |
117 |
| Denso Corporation | 23692 |
105 |
| ABB Schweiz AG | 6609 |
97 |
| Rohm Co., Ltd. | 6281 |
90 |
| Texas Instruments Incorporated | 19403 |
81 |
| Huawei Digital Power Technologies Co. Ltd. | 1853 |
79 |
| Semiconductor Components Industries, L.L.C. | 5241 |
75 |
| General Electric Technology GmbH | 1602 |
62 |
| Infineon Technologies Austria AG | 2057 |
61 |
| Toyota Motor Corporation | 30292 |
57 |
| TMEIC Corporation | 699 |
52 |
| Murata Manufacturing Co., Ltd. | 23609 |
50 |
| SMA Solar Technology AG | 855 |
50 |
| Delta Electronics (Shanghai) Co., Ltd. | 655 |
43 |
| Hitachi Energy Ltd. | 2223 |
40 |
| GE Energy Power Conversion Technology Ltd | 425 |
38 |
| Hitachi Astemo, Ltd. | 6034 |
38 |
| Other owners | 3491 |