H02N 2/021
Using intermittent driving
Official title: {using intermittent driving, e.g. step motors, piezoleg motors}
H02N2/021 (Using intermittent driving) appears on 530 US grants and 457 published applications in this corpus.
Search patents in H02N- Granted patents
- 530
- Published applications
- 457
- Assignees
- 242
- Inventors
- 864
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 26 | 0 |
| 2001 | 20 | 3 |
| 2002 | 16 | 13 |
| 2003 | 10 | 11 |
| 2004 | 14 | 16 |
| 2005 | 14 | 29 |
| 2006 | 18 | 32 |
| 2007 | 25 | 42 |
| 2008 | 23 | 36 |
| 2009 | 31 | 25 |
| 2010 | 36 | 36 |
| 2011 | 28 | 20 |
| 2012 | 21 | 25 |
| 2013 | 21 | 7 |
| 2014 | 13 | 16 |
| 2015 | 11 | 16 |
| 2016 | 6 | 7 |
| 2017 | 18 | 11 |
| 2018 | 3 | 14 |
| 2019 | 20 | 12 |
| 2020 | 3 | 17 |
| 2021 | 14 | 13 |
| 2022 | 14 | 12 |
| 2023 | 18 | 16 |
| 2024 | 9 | 10 |
| 2025 | 8 | 9 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Displacement magnifying mechanism, actuator, polishing device, electronic component processing apparatus, dispenser, and air valve17 Mar 2026US 12,580,499 B2Mechano Transformer Corporation
- Piezoelectric displacement unit for a medical hose pump and medical hose pump13 Jan 2026US 12,523,215 B2B. Braun Melsungen AG
- Optical element driving mechanism16 Dec 2025US 12,498,536 B2TDK Corporation
- Drive device and imaging apparatus16 Dec 2025US 12,498,540 B2FUJIFILM Corporation
- Optical element driving mechanism21 Oct 2025US 12,449,631 B2TDK Corporation
- Control apparatus and vibration driving apparatus9 Jul 2026US 2026/0196950 A1Canon Kabushiki Kaisha
- Optical Driving Device18 Jun 2026US 2026/0169254 A1Piact Technology (Shanghai) Co., Ltd.
- Optical device actuator and lens barrel provided with same14 May 2026US 2026/0133398 A1Panasonic Intellectual Property Management Co., Ltd.
- Piezoelectric actuator26 Feb 2026US 2026/0058573 A1Luxshare Intelligent Manufacture Technology (Changshu) Co., Ltd
- Piezoelectric actuator26 Feb 2026US 2026/0058574 A1Luxshare Intelligent Manufacture Technology (Changshu) Co., Ltd
Most cited
By later US patents
- Electroactive polymer devices1,577US 6,545,384 B1SRI International · 2003
- Foldable lens delivery system1,445US 5,607,433 AMicro Medical Devices, Inc. · 1997
- Driving apparatus381US 7,408,288 B2Konica Minolta Holdings, Inc. · 2008
- Drive unit379US 7,567,012 B2Konica Minolta Opto, Inc. · 2009
- Electroactive polymers213US 6,812,624 B1SRI International · 2004