H02M 7/25
Arranged for operation in series
Official title: arranged for operation in series, e.g. for multiplication of voltage
H02M7/25 (Arranged for operation in series) appears on 94 US grants and 118 published applications in this corpus.
Search patents in H02M- Granted patents
- 94
- Published applications
- 118
- Assignees
- 96
- Inventors
- 304
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 4 |
| 2015 | 2 | 11 |
| 2016 | 7 | 5 |
| 2017 | 8 | 5 |
| 2018 | 9 | 7 |
| 2019 | 7 | 5 |
| 2020 | 4 | 5 |
| 2021 | 7 | 8 |
| 2022 | 7 | 11 |
| 2023 | 6 | 11 |
| 2024 | 9 | 8 |
| 2025 | 11 | 16 |
| 2026 | 5 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-level conversion circuit and cycle-by-cycle protection method therefor8 Sep 2026US 12,732,094 B2Delta Electronics (Shanghai) Co., Ltd.
- Power distribution and driving system for remotely underwater operated vehicle4 Aug 2026US 12,698,068 B2Zhuzhou Crrc Times Electric Co., Ltd.
- Multi-level conversion circuit and cycle-by-cycle protection method therefor30 Jun 2026US 12,671,318 B2Delta Electronics (Shanghai) Co., Ltd.
- Three-level power factor rectifier and method of operating the same21 Apr 2026US 12,609,631 B2Delta Electronics, Inc.
- Power conversion device, power conversion system, and method for controlling power conversion device3 Feb 2026US 12,542,497 B2Hitachi, Ltd.
- Ac-to-dc voltage converter1 Oct 2026US 2026/0302934 A1
- Multi-level processing system27 Aug 2026US 2026/0254342 A1Lite-On Technology Corporation
- Power converter6 Aug 2026US 2026/0229985 A1Infineon Technologies Austria AG
- Power supply system, transformer system and assembling method thereof30 Jul 2026US 2026/0221337 A1Hitachi Energy Ltd
- Radio frequency rectifier device16 Jul 2026US 2026/0204953 A1Realtek Semiconductor Corp.
Most cited
By later US patents
- Polyphase AC/DC converter84US 5,311,419 ASundstrand Corporation · 1994
- Three-level boost rectifier with voltage doubling switch48US 5,956,243 ALucent Technologies Inc. · 1999
- Voltage source type power converting apparatus42US 5,886,888 AMitsubishi Denki Kabushiki Kaisha · 1999
- DC power supply apparatus36US 5,926,381 ASansha Electric Manufacturing Company, Limited · 1999
- DC-DC converter with modular stages34US 9,882,471 B2Peregrine Semiconductor Corporation · 2018