H02N 2/106
Langevin motors
Official title: {Langevin motors}
H02N2/106 (Langevin motors) appears on 219 US grants and 136 published applications in this corpus.
Search patents in H02N- Granted patents
- 219
- Published applications
- 136
- Assignees
- 36
- Inventors
- 197
- Latest grant
- 5 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 10 | 0 |
| 2000 | 14 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 12 |
| 2003 | 3 | 4 |
| 2004 | 8 | 3 |
| 2005 | 7 | 5 |
| 2006 | 2 | 2 |
| 2007 | 5 | 5 |
| 2008 | 1 | 1 |
| 2009 | 6 | 10 |
| 2010 | 5 | 3 |
| 2011 | 5 | 4 |
| 2012 | 0 | 2 |
| 2013 | 3 | 15 |
| 2014 | 3 | 11 |
| 2015 | 14 | 25 |
| 2016 | 18 | 7 |
| 2017 | 17 | 5 |
| 2018 | 6 | 9 |
| 2019 | 6 | 6 |
| 2020 | 4 | 4 |
| 2021 | 7 | 1 |
| 2022 | 3 | 0 |
| 2023 | 4 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Piezoelectric material, piezoelectric element, and electronic equipment5 Dec 2023US 11,837,975 B2Canon Kabushiki Kaisha
- Friction member to contact opposite member, method for manufacturing friction member, vibration-type actuator, and electronic device30 May 2023US 11,664,746 B2Canon Kabushiki Kaisha
- Drive control device and drive control method that enable stable output to be obtained from vibration type actuator, vibration type drive device including vibration type actuator, and apparatus30 May 2023US 11,664,748 B2Canon Kabushiki Kaisha
- Piezoelectric motor and generator4 Apr 2023US 11,621,655 B1
- Piezoelectric ceramics, manufacturing method for piezoelectric ceramics, piezoelectric element, vibration device, and electronic device29 Nov 2022US 11,515,468 B2Canon Kabushiki Kaisha
- Vibration type driving device2 Oct 2025US 2025/0309791 A1
- Ultrasonic transducer24 Oct 2024US 2024/0350162 A1The University Court of the University of Glasgow
- Drive control device and drive control method that enable stable output to be obtained from vibration type actuator, vibration type drive device including vibration type actuator, and apparatus29 Jul 2021US 2021/0234480 A1Canon Kabushiki Kaisha
- Piezoelectric material, piezoelectric element, and electronic equipment28 May 2020US 2020/0169190 A1Canon Kabushiki Kaisha
- Piezoelectric material, piezoelectric element, and electronic equipment28 May 2020US 2020/0169191 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Ultrasonic motor having integrated electrodes and manufacturing method of the same325US 6,933,656 B2ASMO Co.LTD · 2005
- Ultrasonic motor316US 5,357,164 AOlympus Optical Co., Ltd. · 1994
- Piezoelectrically driven torsional vibration motor65US 4,210,837 A1980
- Vibration device for a vibration driven motor52US 5,231,325 ACanon Kabushiki Kaisha · 1993
- Ultrasonic motor and method of adjusting the same51US 4,965,482 ANEC Corporation · 1990