G05F 1/618
Using semiconductor devices in series and in parallel with the load as
Official title: using semiconductor devices in series and in parallel with the load as final control devices (G05F1/461 takes precedence)
G05F1/618 (Using semiconductor devices in series and in parallel with the load as) appears on 181 US grants and 153 published applications in this corpus.
Search patents in G05F- Granted patents
- 181
- Published applications
- 153
- Assignees
- 157
- Inventors
- 350
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 3 |
| 2003 | 2 | 5 |
| 2004 | 7 | 5 |
| 2005 | 5 | 1 |
| 2006 | 2 | 9 |
| 2007 | 4 | 4 |
| 2008 | 3 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 3 |
| 2012 | 2 | 3 |
| 2013 | 4 | 21 |
| 2014 | 6 | 7 |
| 2015 | 10 | 10 |
| 2016 | 13 | 5 |
| 2017 | 12 | 9 |
| 2018 | 11 | 8 |
| 2019 | 14 | 12 |
| 2020 | 13 | 7 |
| 2021 | 9 | 9 |
| 2022 | 5 | 3 |
| 2023 | 3 | 3 |
| 2024 | 4 | 6 |
| 2025 | 4 | 4 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Digitally assisted low noise sub IV chopper less bandgap reference circuit6 Oct 2026US 12,754,582 B2Indian Institute of Technology Delhi
- Always-on low-dropout (LDO) regulator for coin-cell-based wireless local area network (WLAN) device17 Mar 2026US 12,578,747 B2QUALCOMM Incorporated
- Power supply circuit and chip6 Jan 2026US 12,517,538 B2Changxin Memory Technologies, Inc.
- Power-supply stabilization circuit7 Oct 2025US 12,436,551 B2Panasonic Intellectual Property Management Co., Ltd.
- Low dropout regulator and electronic device9 Sep 2025US 12,411,511 B2Shanghai Awinic Technology Co., LTD
- Open-circuit/pin-lift detector27 Aug 2026US 2026/0252133 A1NXP USA, Inc.
- Low dropout voltage regulator20 Aug 2026US 2026/0244233 A1Lx Semicon Co., Ltd.
- Soft switching low drop-out regulator23 Jul 2026US 2026/0211440 A1Korea Advanced Institute of Science and Technology
- Low-dropout regulator with an improved power supply rejection ratio using feed-forward or bulk power supply ripple injection23 Jul 2026US 2026/0211441 A1
- Voltage regulator detector for wide voltage operation2 Jul 2026US 2026/0186518 A1IM2 Solutions, Inc.
Most cited
By later US patents
- DC/DC converter having a bootstrapped high side driver197US 5,627,460 AUnitrode Corporation · 1997
- System and method for driving LED183US 7,276,861 B1Exclara Inc. · 2007
- System and method for driving LED132US 7,710,047 B2Exclara Inc. · 2010
- System and method for driving LED98US 7,583,035 B2Exclara Inc. · 2009
- Controller for a synchronous rectifier and power converter employing the same82US 5,940,287 ALucent Technologies Inc. · 1999