G11B 7/0937
Piezoelectric actuators
Official title: {Piezoelectric actuators}
G11B7/0937 (Piezoelectric actuators) appears on 85 US grants and 44 published applications in this corpus.
Search patents in G11B- Granted patents
- 85
- Published applications
- 44
- Assignees
- 55
- Inventors
- 181
- Latest grant
- 26 Dec 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 2 |
| 2002 | 7 | 12 |
| 2003 | 6 | 4 |
| 2004 | 11 | 9 |
| 2005 | 0 | 4 |
| 2006 | 8 | 4 |
| 2007 | 4 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Angular motor shaft with rotational attenuation26 Dec 2017US 9,853,575 B2Hand Held Products, Inc.
- Optical pickup assemblies and drive systems with the same10 Dec 2013US 8,605,558 B2The Chinese University of Hong Kong
- Optical pickup apparatus19 Apr 2011US 7,929,385 B2Konica Minolta Opto, Inc.
- Optical pickup device having an electromechanical conversion element for recording and/ or reproducing information13 Apr 2010US 7,697,398 B2Konica Minolta Opto, Inc.
- Optical near-field generator and recording and reproduction apparatus26 Jan 2010US 7,652,775 B2Hitachi, Ltd.
- Angular motor shaft with rotational attenuation16 Feb 2017US 2017/0047864 A1Hand Held Products, Inc.
- Optical disc and recording and reproducing apparatus and method28 Mar 2013US 2013/0077459 A1
- Optical pickup assemblies and drive systems with the same29 Dec 2011US 2011/0317538 A1The Chinese University of Hong Kong
- Objective lens actuator utilizing piezoelectric elements4 Dec 2008US 2008/0298214 A1SAE Magnetics (H. K.) Ltd.
- Micro-Actuator, HGA Equipped with the Micro-Actuator and Method for Manufacturing the HGA6 Nov 2008US 2008/0273272 A1
Most cited
By later US patents
- Read/write head including displacement generating means that elongates and contracts by inverse piezoelectric effect of electrostrictive effect140US 6,246,552 B1TDK Corporation · 2001
- Optical near field generator67US 6,649,894 B2Hitachi, Ltd. · 2003
- Method and apparatus for controlling a multiple-stage actuator for a disk drive66US 5,920,441 AInternational Business Machines Corporation · 1999
- Flying head with adjustable actuator load56US 6,178,157 B1Digital Papyrus Corporation · 2001
- Beam irradiation apparatus, optical apparatus having beam irradiation apparatus for information recording medium, method for manufacturing original disk for information recording medium, and method for manufacturing information recording medium56US 6,442,110 B1Sony Corporation · 2002