H02N 2/181
Circuits
Official title: {Circuits; Control arrangements or methods}
H02N2/181 (Circuits) appears on 368 US grants and 461 published applications in this corpus.
Search patents in H02N- Granted patents
- 368
- Published applications
- 461
- Assignees
- 259
- Inventors
- 890
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 0 |
| 2003 | 4 | 2 |
| 2004 | 2 | 6 |
| 2005 | 2 | 5 |
| 2006 | 6 | 3 |
| 2007 | 3 | 3 |
| 2008 | 1 | 3 |
| 2009 | 1 | 7 |
| 2010 | 4 | 9 |
| 2011 | 12 | 10 |
| 2012 | 9 | 22 |
| 2013 | 7 | 24 |
| 2014 | 16 | 28 |
| 2015 | 20 | 36 |
| 2016 | 23 | 38 |
| 2017 | 26 | 25 |
| 2018 | 33 | 41 |
| 2019 | 29 | 39 |
| 2020 | 34 | 31 |
| 2021 | 23 | 37 |
| 2022 | 23 | 27 |
| 2023 | 27 | 25 |
| 2024 | 24 | 21 |
| 2025 | 19 | 11 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Triboelectric film laminate based on conductive primer18 Aug 2026US 12,712,472 B23M Innovative Properties Company
- Pendular unit with a monolithic inertial mass mounted on a piezoelectric beam, in particular for an energy harvester in a leadless autonomous cardiac capsule21 Jul 2026US 12,689,314 B2Cairdac
- Piezo-based circuit for modifying functionality of RFID tags14 Jul 2026US 12,682,197 B2Hand Held Products, Inc.
- Wired vibration energy transfer system and method23 Jun 2026US 12,665,526 B2Toyota Jidosha Kabushiki Kaisha
- Piezoelectric direct current generator19 May 2026US 12,629,969 B2Korea Institute of Science and Technology
- Flexible Smart Sensor Decal with Integrated Wireless Communication and Energy Harvesting1 Oct 2026US 2026/0298859 A1
- Stimulation control for enhanced energy harvesting27 Aug 2026US 2026/0249089 A1Medtronic, Inc.
- Method and apparatus for energy harvesting in leadless pacemakers16 Jul 2026US 2026/0205032 A1New Jersey Institute of Technology
- Apparatus, systems, and methods of extendable multi-stage energy harvesters2 Jul 2026US 2026/0189161 A1Toyota Jidosha Kabushiki Kaisha
- Piezoelectric power generator26 Feb 2026US 2026/0058579 A1
Most cited
By later US patents
- Biologically powered electroactive polymer generators212US 6,768,246 B2SRI International · 2004
- Implantable wireless accoustic stimulators with high energy conversion efficiencies126US 8,588,926 B2EBR Systems, Inc. · 2013
- Piezo-electricity generation device115US 5,801,475 AMitsuteru Kimura · 1998
- Electroactive polymer thermal electric generators114US 6,628,040 B2SRI International · 2003
- Implantable wireless accoustic stimulators with high energy conversion efficiencies111US 9,180,285 B2EBR Systems, Inc. · 2015