H02M 3/18
Using capacitors or batteries which are alternately charged and discharged
Official title: using capacitors or batteries which are alternately charged and discharged, e.g. charged in parallel and discharged in series
H02M3/18 (Using capacitors or batteries which are alternately charged and discharged) appears on 41 US grants and 37 published applications in this corpus.
Search patents in H02M- Granted patents
- 41
- Published applications
- 37
- Assignees
- 38
- Inventors
- 111
- Latest grant
- 16 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 3 | 4 |
| 2018 | 5 | 4 |
| 2019 | 4 | 4 |
| 2020 | 6 | 3 |
| 2021 | 3 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switching regulator and operating method16 Jul 2024US 12,040,714 B2Samsung Electronics Co., Ltd.
- Parallel hybrid converter apparatus and method20 Feb 2024US 11,909,326 B2Huawei Digital Power Technologies Co., Ltd.
- Switching regulator and operating method4 Apr 2023US 11,621,639 B2Samsung Electronics Co., Ltd.
- Energy storage system5 Jul 2022US 11,381,098 B2Ways Technical Corp., Ltd.
- Capacitor-based power converter with buck converter27 Jul 2021US 11,073,855 B2Micron Technology, Inc.
- Boost conversion circuit14 May 2026US 2026/0135488 A1Xiamen PVTECH Co., Ltd.
- Pre-charge monitoring of power stage circuit for multiphase voltage regulator30 Apr 2026US 2026/0121542 A1Monolithic Power Systems, Inc.
- Switching regulator and operating method27 Jul 2023US 2023/0238888 A1Samsung Electronics Co., Ltd.
- Switching circuit, dc/dc converter, and control circuit of dc/dc converter27 Apr 2023US 2023/0130933 A1Rohm Co., Ltd.
- Power-supply apparatus12 Jan 2023US 2023/0011061 A1Yazaki Corporation
Most cited
By later US patents
- Buck and boost switched capacitor gain stage with optional shared rest state259US 6,198,645 B1National Semiconductor Corporation · 2001
- Booster including charge pumping circuit with its electric power consumption reduced and method of operating the same60US 6,249,445 B1NEC Corporation · 2001
- DC-DC converter and storage apparatus46US 6,531,792 B2Fujitsu Limited · 2003
- Hybrid inverting PWM power converters44US 10,547,241 B1Linear Technology Holding LLC · 2020
- Charge pump circuit and power supply circuit28US 7,233,508 B2Ricoh Company, Ltd. · 2007