H02M 3/1563
Without using an external clock
Official title: {without using an external clock (H02M3/158 takes precedence)}
H02M3/1563 (Without using an external clock) appears on 451 US grants and 322 published applications in this corpus.
Search patents in H02M- Granted patents
- 451
- Published applications
- 322
- Assignees
- 280
- Inventors
- 803
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 23 | 0 |
| 2000 | 10 | 0 |
| 2001 | 14 | 7 |
| 2002 | 12 | 7 |
| 2003 | 8 | 4 |
| 2004 | 3 | 9 |
| 2005 | 9 | 6 |
| 2006 | 9 | 10 |
| 2007 | 5 | 14 |
| 2008 | 9 | 6 |
| 2009 | 11 | 12 |
| 2010 | 7 | 10 |
| 2011 | 9 | 15 |
| 2012 | 13 | 14 |
| 2013 | 13 | 26 |
| 2014 | 17 | 37 |
| 2015 | 20 | 24 |
| 2016 | 39 | 20 |
| 2017 | 20 | 12 |
| 2018 | 21 | 19 |
| 2019 | 24 | 17 |
| 2020 | 14 | 13 |
| 2021 | 12 | 7 |
| 2022 | 10 | 5 |
| 2023 | 6 | 13 |
| 2024 | 10 | 6 |
| 2025 | 9 | 2 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Switched power supply with reduced noise16 Jul 2026US 2026/0205012 A1Google Inc.
- Power stage control circuit applied to voltage converter28 May 2026US 2026/0149374 A1Elite Semiconductor Microelectronics Technology Inc.
- Controller for switching converter21 May 2026US 2026/0142569 A1Renesas Design (UK) Limited
- Energy harvesting circuit12 Mar 2026US 2026/0074623 A1Resideo LLC
- Circuit and method for controlling switching regulator22 Jan 2026US 2026/0025071 A1Renesas Design (UK) Limited
Most cited
By later US patents
- Switching power supply with automatic power factor correction423US 4,683,529 AZytec Corporation · 1987
- Solar power charging system179US 6,429,621 B1NEC Corporation · 2002
- Balanced delta current method for current control in a hysteretic power supply176US 5,734,259 ACherry Semiconductor Corporation · 1998
- Hysteretic regulator and control method having switching frequency independent from output filter159US 6,147,478 ATexas Instruments Incorporated · 2000
- Switching mode power supplies141US 5,428,286 AAstec International Limited · 1995