H03L 5/00
Automatic control of voltage, current, or power
H03L5/00 (Automatic control of voltage, current, or power) appears on 590 US grants and 467 published applications in this corpus.
Search patents in H03L- Granted patents
- 590
- Published applications
- 467
- Assignees
- 296
- Inventors
- 974
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 3 |
| 2003 | 3 | 7 |
| 2004 | 6 | 10 |
| 2005 | 7 | 10 |
| 2006 | 12 | 12 |
| 2007 | 10 | 20 |
| 2008 | 10 | 13 |
| 2009 | 8 | 16 |
| 2010 | 19 | 12 |
| 2011 | 19 | 23 |
| 2012 | 28 | 17 |
| 2013 | 21 | 55 |
| 2014 | 71 | 68 |
| 2015 | 57 | 30 |
| 2016 | 30 | 24 |
| 2017 | 23 | 37 |
| 2018 | 27 | 28 |
| 2019 | 43 | 19 |
| 2020 | 31 | 17 |
| 2021 | 18 | 15 |
| 2022 | 10 | 6 |
| 2023 | 8 | 7 |
| 2024 | 7 | 9 |
| 2025 | 10 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Monitoring circuit and storage system3 Feb 2026US 12,540,958 B2Changxin Memory Technologies, Inc.
- Crystal oscillator energy injection3 Feb 2026US 12,542,516 B2Silicon Laboratories Inc.
- Power down circuit and power down method21 Oct 2025US 12,451,890 B2Nanya Technology Corporation
- Frequency multiplier2 Sep 2025US 12,407,298 B2Kookmin University Industry Academy Cooperation Foundation
- Methods and apparatus for controlling plasma in a plasma processing system5 Aug 2025US 12,381,065 B2Lam Research Corporation
- Calibration circuit25 Jun 2026US 2026/0180586 A1Sony Semiconductor Solutions Corporation
- Voltage control circuit and voltage generation device23 Apr 2026US 2026/0113041 A1Sitronix Technology Corp.
- Oscillation Circuit, Oscillation Control Method, Phase-Locked Loop Circuit, and Electronic Device20 Nov 2025US 2025/0357937 A1Huawei Technologies Co., Ltd.
- Methods and apparatus for controlling plasma in a plasma processing system6 Nov 2025US 2025/0343026 A1Lam Research Corporation
- Crystal oscillator energy injection16 Oct 2025US 2025/0323600 A1Silicon Laboratories Inc.
Most cited
By later US patents
- Electrosurgical generator with adaptive power control2,388US 6,033,399 AValleylab, Inc. · 2000
- Electrosurgical generator with adaptive power control1,848US 6,228,080 B1Sherwood Services AG · 2001
- High-frequency generator with automatic power-control for high-frequency surgery186US 4,818,954 AKarl Storz Endoscopy-America, Inc. · 1989
- Ratiometric autotuning algorithm for RF plasma generator101US 6,020,794 AENI Technologies, Inc. · 2000
- Method and apparatus with adaptive transponder plucking92US 5,621,396 ATexas Instruments Incorporated · 1997