H02M 1/15
Using active elements
Official title: using active elements
H02M1/15 (Using active elements) appears on 890 US grants and 1,002 published applications in this corpus.
Search patents in H02M- Granted patents
- 890
- Published applications
- 1,002
- Assignees
- 495
- Inventors
- 2,125
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 11 |
| 2003 | 4 | 6 |
| 2004 | 11 | 8 |
| 2005 | 7 | 15 |
| 2006 | 9 | 7 |
| 2007 | 8 | 9 |
| 2008 | 7 | 11 |
| 2009 | 8 | 12 |
| 2010 | 12 | 16 |
| 2011 | 7 | 17 |
| 2012 | 12 | 15 |
| 2013 | 15 | 25 |
| 2014 | 25 | 39 |
| 2015 | 23 | 47 |
| 2016 | 47 | 44 |
| 2017 | 53 | 62 |
| 2018 | 62 | 59 |
| 2019 | 84 | 74 |
| 2020 | 76 | 62 |
| 2021 | 59 | 79 |
| 2022 | 68 | 80 |
| 2023 | 79 | 106 |
| 2024 | 74 | 69 |
| 2025 | 64 | 69 |
| 2026 | 39 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High efficiency power distribution unit for a medical imaging system8 Sep 2026US 12,727,834 B2GE Precision Healthcare LLC
- Electronic device comprising charging circuit18 Aug 2026US 12,712,396 B2Samsung Electronics Co., Ltd.
- Three-phase multi-level boost PFC rectifier with flying capacitors18 Aug 2026US 12,712,442 B2Delta Electronics, Inc.
- Driver arrangement including power factor correction circuitry11 Aug 2026US 12,706,525 B2Signify Holding B. V.
- Resonant converter and method of operating the same11 Aug 2026US 12,706,531 B2Delta Electronics, Inc.
- Supply filter circuit1 Oct 2026US 2026/0302930 A1NXP USA, Inc.
- Rectifying and filtering circuit, electronic circuit, and electronic device1 Oct 2026US 2026/0302965 A1Huayuan Semiconductor (Shenzhen) Limited Company
- Flyback converter system with variable frequency and asynchronous control17 Sep 2026US 2026/0280407 A1Enatel
- Voltage/current or current/voltage conversion system27 Aug 2026US 2026/0254346 A1Centre National De La Recherche Scientifique
- Driver arrangement for powering a load27 Aug 2026US 2026/0255454 A1Signify Holding B. V.
Most cited
By later US patents
- Method of reducing leakage current in power supply systems254US 6,611,441 B2Canon Kabushiki Kaisha · 2003
- Anti-ripple circuit199US 4,710,861 A1987
- Transformer coupled pard bucker for DC power supplies191US 4,667,279 AHewlett-Packard Company · 1987
- Power combining power supply system100US 7,454,238 B2Quantance, Inc. · 2008
- Ripple cancellation circuit with fast load response for switch mode voltage regulators with synchronous rectification77US 5,929,692 AComputer Products, Inc. · 1999