- 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 1/34 - Snubber circuits
Patent holdings for IPC class H02M 1/34
Total number of patents in this class: 777
10-year publication summary
54
|
60
|
58
|
95
|
103
|
82
|
88
|
81
|
53
|
13
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
33 |
Silanna Asia Pte Ltd | 213 |
23 |
Semiconductor Components Industries, L.L.C. | 5345 |
22 |
Siemens AG | 24990 |
16 |
Robert Bosch GmbH | 40953 |
16 |
Delta Electronics, Inc. | 2401 |
15 |
Appulse Power Inc. | 47 |
15 |
Murata Manufacturing Co., Ltd. | 22355 |
13 |
Fuji Electric Co., Ltd. | 4750 |
13 |
Rohm Co., Ltd. | 5843 |
11 |
Power Integrations, Inc. | 527 |
11 |
Apple Inc. | 50209 |
10 |
ABB Schweiz AG | 6321 |
10 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
9 |
Rompower Technology Holdings, LLC | 36 |
8 |
Texas Instruments Incorporated | 19376 |
7 |
Denso Corporation | 23338 |
7 |
Raytheon Company | 8535 |
7 |
General Electric Technology GmbH | 1657 |
7 |
Kyosan Electric Mfg. Co., Ltd. | 167 |
7 |
Other owners | 517 |