H02N 2/065
Large signal circuits
Official title: {Large signal circuits, e.g. final stages}
H02N2/065 (Large signal circuits) appears on 289 US grants and 222 published applications in this corpus.
Search patents in H02N- Granted patents
- 289
- Published applications
- 222
- Assignees
- 145
- Inventors
- 499
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 17 | 0 |
| 2001 | 11 | 11 |
| 2002 | 13 | 9 |
| 2003 | 12 | 4 |
| 2004 | 9 | 11 |
| 2005 | 5 | 12 |
| 2006 | 9 | 14 |
| 2007 | 11 | 13 |
| 2008 | 9 | 23 |
| 2009 | 11 | 14 |
| 2010 | 23 | 22 |
| 2011 | 13 | 6 |
| 2012 | 11 | 5 |
| 2013 | 8 | 1 |
| 2014 | 3 | 10 |
| 2015 | 6 | 6 |
| 2016 | 6 | 1 |
| 2017 | 5 | 3 |
| 2018 | 3 | 6 |
| 2019 | 4 | 14 |
| 2020 | 6 | 11 |
| 2021 | 11 | 10 |
| 2022 | 11 | 5 |
| 2023 | 9 | 6 |
| 2024 | 6 | 3 |
| 2025 | 4 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ultrasonic linear motor and operation method therefor25 Nov 2025US 12,483,161 B2LG Innotek Co., Ltd.
- Vibration driving device for a strong magnetic-field environment4 Nov 2025US 12,463,560 B2Canon Kabushiki Kaisha
- Driving-unit operation method and controller2 Sep 2025US 12,405,440 B2Miniswys S.A.
- Vibrating conveyor20 May 2025US 12,304,742 B2ABB Schweiz AG
- Driving circuit and driving method1 Oct 2024US 12,107,520 B2Silergy Semiconductor Technology (Hangzhou) LTD
- Piezo actuator system and operating method thereof29 Jan 2026US 2026/0031746 A1Samsung Electro-Mechanics Co., Ltd.
- Linear Motion Platform Utilizing an Externally Threaded Piezoelectric Actuator and Operating Method26 Jun 2025US 2025/0211138 A1Nanjing University of Aeronautics and Astronautics
- Vibration-type drive apparatus, vibration-type actuator control apparatus, and equipment5 Sep 2024US 2024/0293844 A1Canon Kabushiki Kaisha
- Apparatus and method for driving piezo actuator of smooth impact drive mechanism1 Aug 2024US 2024/0258938 A1CREPAS Technologies Co., Ltd.
- Efficient drive for piezoelectric inertia motors25 Jan 2024US 2024/0030834 A1Physik Instrumente (Pi) GmbH & Co. KG
Most cited
By later US patents
- Foldable lens delivery system1,445US 5,607,433 AMicro Medical Devices, Inc. · 1997
- Drive unit379US 7,567,012 B2Konica Minolta Opto, Inc. · 2009
- Drive circuit having improved energy efficiency for implantable beneficial agent infusion or delivery device179US 7,070,577 B1Medtronic, Inc. · 2006
- Device and method for driving symmetric load systems139US 6,465,931 B2QorTek, Inc. · 2002
- Driving apparatus using transducer95US 5,589,723 AMinolta Co., Ltd. · 1996