H02M 1/123
Suppression of common mode voltage or current
Official title: {Suppression of common mode voltage or current}
H02M1/123 (Suppression of common mode voltage or current) appears on 713 US grants and 891 published applications in this corpus.
Search patents in H02M- Granted patents
- 713
- Published applications
- 891
- Assignees
- 361
- Inventors
- 1,665
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 7 |
| 2003 | 8 | 6 |
| 2004 | 7 | 12 |
| 2005 | 7 | 4 |
| 2006 | 9 | 9 |
| 2007 | 6 | 9 |
| 2008 | 5 | 15 |
| 2009 | 8 | 14 |
| 2010 | 10 | 6 |
| 2011 | 12 | 12 |
| 2012 | 11 | 17 |
| 2013 | 13 | 34 |
| 2014 | 18 | 30 |
| 2015 | 28 | 40 |
| 2016 | 28 | 37 |
| 2017 | 34 | 25 |
| 2018 | 43 | 38 |
| 2019 | 41 | 36 |
| 2020 | 50 | 65 |
| 2021 | 40 | 61 |
| 2022 | 57 | 75 |
| 2023 | 43 | 73 |
| 2024 | 54 | 128 |
| 2025 | 118 | 81 |
| 2026 | 51 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System, a control unit and a method for controlling capacitors in the system in an at least partly electrical driven vehicle29 Sep 2026US 12,749,965 B2Volvo Truck Corporation
- Switching power supply device22 Sep 2026US 12,744,467 B2Murata Manufacturing Co., Ltd.
- Systems and methods for active discharge for inverter for electric vehicle22 Sep 2026US 12,745,369 B2BorgWarner US Technologies LLC
- Circular current suppression method, switch control device, and power conversion system15 Sep 2026US 12,738,834 B2Delta Electronics, Inc.
- Common-mode noise detection and calibration system for high-speed SERDES8 Sep 2026US 12,732,224 B1Marvell Asia Pte Ltd
- Power supply circuit8 Oct 2026US 2026/0312511 A1Fuji Electric Co., Ltd.
- Power conversion system with common mode filter1 Oct 2026US 2026/0302928 A1Gamesa Electric, S.A. Unipersonal
- Common-mode voltage cancellation circuit and method of forming17 Sep 2026US 2026/0280413 A1GE Aviation Systems LLC
- Common mode filter circuit with cooler30 Jul 2026US 2026/0221329 A1IHI Corporation
- System, methods, and apparatuses with reduced noise current30 Jul 2026US 2026/0221373 A1ASML Netherlands B. V.
Most cited
By later US patents
- Method of reducing leakage current in power supply systems254US 6,611,441 B2Canon Kabushiki Kaisha · 2003
- Feed forward active EMI filters151US 8,823,448 B1Hamilton Sundstrand Corporation · 2014
- Variable frequency drive noise attenuation circuit85US 6,208,098 B1Yaskawa Electric America, Inc. · 2001
- Active common mode canceler64US 5,831,842 APresident of Okayama University · 1998
- Active filter for reduction of common mode current53US 7,583,136 B2International Rectifier Corporation · 2009