- 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 1/34 - Snubber circuits
Patent holdings for IPC class H02M 1/34
Total number of patents in this class: 844
10-year publication summary
|
60
|
58
|
95
|
103
|
83
|
89
|
83
|
61
|
43
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45414 |
32 |
| Silanna Asia Pte Ltd | 224 |
24 |
| Semiconductor Components Industries, L.L.C. | 5240 |
23 |
| Robert Bosch GmbH | 42170 |
19 |
| Siemens AG | 24544 |
16 |
| Delta Electronics, Inc. | 2555 |
16 |
| Appulse Power Inc. | 47 |
15 |
| Murata Manufacturing Co., Ltd. | 24137 |
13 |
| Rohm Co., Ltd. | 6401 |
13 |
| Power Integrations, Inc. | 539 |
13 |
| Fuji Electric Co., Ltd. | 5057 |
12 |
| ABB Schweiz AG | 6800 |
11 |
| Apple Inc. | 53955 |
10 |
| Texas Instruments Incorporated | 19460 |
10 |
| Rompower Technology Holdings, LLC | 45 |
10 |
| Hyundai Motor Company | 21174 |
9 |
| TMEIC Corporation | 742 |
9 |
| Raytheon Company | 8393 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 30506 |
8 |
| Canon Inc. | 39005 |
7 |
| Other owners | 566 |