H02M 7/1557
With automatic control of the output voltage or current
Official title: {with automatic control of the output voltage or current}
H02M7/1557 (With automatic control of the output voltage or current) appears on 92 US grants and 73 published applications in this corpus.
Search patents in H02M- Granted patents
- 92
- Published applications
- 73
- Assignees
- 60
- Inventors
- 149
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 2 | 6 |
| 2016 | 8 | 2 |
| 2017 | 3 | 6 |
| 2018 | 3 | 5 |
| 2019 | 9 | 11 |
| 2020 | 6 | 6 |
| 2021 | 7 | 7 |
| 2022 | 5 | 6 |
| 2023 | 4 | 1 |
| 2024 | 7 | 3 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Voltage doubling circuit for powering a load19 May 2026US 12,635,044 B2Tomar Electronics, Inc.
- Methods and systems for managing multi-cell batteries11 Nov 2025US 12,467,981 B2Nova Semiconductor, Inc.
- Power conversion device4 Feb 2025US 12,218,606 B2Mitsubishi Electric Corporation
- Electronic circuit with thyristor31 Dec 2024US 12,184,195 B2STMicroelectronics S.r.l.
- Voltage doubling circuit for powering a load12 Nov 2024US 12,144,073 B1Tomar Electronics, Inc.
- Ac/dc converter22 Jan 2026US 2026/0025084 A1Mazda Motor Corporation
- Electronic circuit with thyristor24 Apr 2025US 2025/0132690 A1STMicroelectronics S.r.l.
- Voltage doubling circuit for powering a load3 Apr 2025US 2025/0113416 A1Tomar Electronics, Inc.
- Power control circuit and control method thereof16 Jan 2025US 2025/0023460 A1Huawei Digital Power Technologies Co., Ltd.
- Methods and systems for managing multi-cell batteries25 Jul 2024US 2024/0248149 A1Nova Semiconductor, Inc.
Most cited
By later US patents
- Power supply apparatus for reduction of power consumption48US 6,104,622 AFidelix Y.K. · 2000
- Electronic power supply47US 4,074,345 A1978
- High-voltage power supply and regulator circuit for an X-ray tube with closed-loop feedback for controlling X-ray exposure44US 5,388,139 AElectromed International Ltd. · 1995
- Multimode power converter40US 5,900,722 AColeman Powermate, Inc. · 1999
- SCR dimming circuit and dimming control method38US 9,325,254 B2Silergy Semiconductor Technology (Hangzhou) LTD · 2016