H02M 3/071
Adapted to generate a negative voltage output from a positive voltage source
Official title: {adapted to generate a negative voltage output from a positive voltage source}
H02M3/071 (Adapted to generate a negative voltage output from a positive voltage source) appears on 265 US grants and 260 published applications in this corpus.
Search patents in H02M- Granted patents
- 265
- Published applications
- 260
- Assignees
- 163
- Inventors
- 475
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 2 |
| 2002 | 7 | 7 |
| 2003 | 2 | 10 |
| 2004 | 9 | 6 |
| 2005 | 5 | 11 |
| 2006 | 9 | 5 |
| 2007 | 9 | 7 |
| 2008 | 11 | 15 |
| 2009 | 10 | 6 |
| 2010 | 8 | 4 |
| 2011 | 4 | 8 |
| 2012 | 5 | 10 |
| 2013 | 5 | 5 |
| 2014 | 8 | 4 |
| 2015 | 8 | 14 |
| 2016 | 14 | 11 |
| 2017 | 14 | 10 |
| 2018 | 6 | 8 |
| 2019 | 11 | 14 |
| 2020 | 24 | 13 |
| 2021 | 13 | 21 |
| 2022 | 14 | 11 |
| 2023 | 12 | 14 |
| 2024 | 13 | 11 |
| 2025 | 18 | 23 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power conversion device25 Aug 2026US 12,719,359 B2MetaPWR Electronics Co., Ltd.
- Source drive chip having a power supply circuit and display apparatus4 Aug 2026US 12,700,375 B2Huawei Technologies Co., Ltd.
- Single-inductor bipolar-output power converting circuit and related control method9 Jun 2026US 12,651,968 B2Richtek Technology Corporation
- Switching drivers with capacitive voltage generation operable in different capacitor biasing regimes2 Jun 2026US 12,647,027 B2Cirrus Logic, Inc.
- Memory, storage systems, and operation methods of memory12 May 2026US 12,626,734 B2Yangtze Memory Technologies Co., Ltd.
- Power conversion device1 Oct 2026US 2026/0302938 A1MetaPWR Electronics Co., Ltd.
- Power conversion device1 Oct 2026US 2026/0302939 A1MetaPWR Electronics Co., Ltd.
- Switching drivers with capacitive voltage generation20 Aug 2026US 2026/0246380 A1Cirrus Logic International Semiconductor Ltd.
- Negative voltage generator, operation method thereof and electronic device including the same20 Aug 2026US 2026/0246381 A1Samsung Electronics Co., Ltd.
- Level-increasing switching arrangement with a charge pump23 Jul 2026US 2026/0213653 A1
Most cited
By later US patents
- Triple well no body effect negative charge pump69US 6,452,438 B1Intel Corporation · 2002
- Devices, circuits and methods for dual voltage generation using single charge pump54US 6,654,296 B2Samsung Electronics Co., Ltd. · 2003
- Inverting charge pump47US 6,021,056 AThe Whitaker Corporation · 2000
- Dual supply device with a single direct-current/direct-current converter and capacitive translator47US 6,222,351 B1STMicroelectronics S,r.l. · 2001
- Charge pump for generating negative voltage without change of threshold due to undesirable back-gate biasing effect46US 6,175,264 B1NEC Corporation · 2001