- 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: 873
10-year publication summary
|
58
|
58
|
94
|
103
|
83
|
88
|
83
|
62
|
45
|
52
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46547 |
35 |
| Silanna Asia Pte Ltd | 225 |
24 |
| Semiconductor Components Industries, L.L.C. | 5272 |
23 |
| Robert Bosch GmbH | 42815 |
19 |
| Siemens AG | 24352 |
17 |
| Delta Electronics, Inc. | 2649 |
17 |
| Appulse Power Inc. | 47 |
15 |
| Rohm Co., Ltd. | 6508 |
13 |
| ABB Schweiz AG | 7070 |
13 |
| Power Integrations, Inc. | 547 |
13 |
| Murata Manufacturing Co., Ltd. | 24813 |
12 |
| Fuji Electric Co., Ltd. | 5206 |
12 |
| Texas Instruments Incorporated | 19462 |
11 |
| Rompower Technology Holdings, LLC | 48 |
11 |
| Apple Inc. | 55491 |
10 |
| Hyundai Motor Company | 22369 |
9 |
| TMEIC Corporation | 798 |
9 |
| Canon Inc. | 40509 |
8 |
| Raytheon Company | 8395 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 32052 |
8 |
| Other owners | 586 |