H02N 2/008
Means for controlling vibration frequency or phase
Official title: {Means for controlling vibration frequency or phase, e.g. for resonance tracking}
H02N2/008 (Means for controlling vibration frequency or phase) appears on 103 US grants and 102 published applications in this corpus.
Search patents in H02N- Granted patents
- 103
- Published applications
- 102
- Assignees
- 44
- Inventors
- 180
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 4 | 3 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 3 |
| 2007 | 1 | 4 |
| 2008 | 4 | 5 |
| 2009 | 4 | 4 |
| 2010 | 5 | 4 |
| 2011 | 1 | 10 |
| 2012 | 4 | 5 |
| 2013 | 8 | 6 |
| 2014 | 6 | 6 |
| 2015 | 4 | 4 |
| 2016 | 8 | 3 |
| 2017 | 5 | 9 |
| 2018 | 2 | 8 |
| 2019 | 8 | 4 |
| 2020 | 0 | 5 |
| 2021 | 11 | 4 |
| 2022 | 4 | 0 |
| 2023 | 4 | 5 |
| 2024 | 0 | 3 |
| 2025 | 3 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Soft haptic device and method of local control therein24 Feb 2026US 12,562,658 B2Korea Advanced Institute of Science and Technology
- Vibration-type drive apparatus, and drive method for vibration-type drive apparatus17 Feb 2026US 12,556,112 B2Canon Kabushiki Kaisha
- Hermetically sealed piezoelectric device with integrated temperature sensor and optimized thermal characteristics7 Oct 2025US 12,438,478 B2KYOCERA Corporation
- Actuator device manufacturing method30 Sep 2025US 12,431,751 B2Hamamatsu Photonics K.K.
- Ultrasonic motor, robot, and life diagnostic method of ultrasonic motor25 Feb 2025US 12,237,781 B2Seiko Epson Corporation
- Vibration type driving device2 Oct 2025US 2025/0309789 A1
- Multi Drive-Mode Actuators3 Apr 2025US 2025/0112563 A1Acuvi AB
- Soft haptic device and method for local control therein19 Sep 2024US 2024/0313669 A1Korea Advanced Institute of Science and Technology
- Vibration-type drive apparatus, vibration-type actuator control apparatus, and equipment5 Sep 2024US 2024/0293844 A1Canon Kabushiki Kaisha
- Actuator device manufacturing method8 Feb 2024US 2024/0048012 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- Ultrasonic vibrator and drive control method thereof49US 4,728,843 ATaga Electric Co., Ltd. · 1988
- Control circuit for a vibration wave motor39US 4,954,741 ACanon Kabushiki Kaisha · 1990
- Piezoelectric transducer and an ultrasonic motor using the piezoelectric transducer23US 5,032,753 ABrother Kogyo Kabushiki Kaisha · 1991
- Vibration type actuator device23US 5,539,268 ACanon Kabushiki Kaisha · 1996
- Ultrasonic motor21US 5,821,667 ANikon Corporation · 1998