G11B 7/08582
Sled-type positioners
Official title: {Sled-type positioners}
G11B7/08582 (Sled-type positioners) appears on 774 US grants and 522 published applications in this corpus.
Search patents in G11B- Granted patents
- 774
- Published applications
- 522
- Assignees
- 189
- Inventors
- 1,287
- Latest grant
- 8 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 19 | 0 |
| 1990 | 20 | 0 |
| 1991 | 23 | 0 |
| 1992 | 28 | 0 |
| 1993 | 30 | 0 |
| 1994 | 24 | 0 |
| 1995 | 15 | 0 |
| 1996 | 14 | 0 |
| 1997 | 21 | 0 |
| 1998 | 39 | 0 |
| 1999 | 38 | 0 |
| 2000 | 27 | 0 |
| 2001 | 41 | 22 |
| 2002 | 38 | 37 |
| 2003 | 25 | 64 |
| 2004 | 41 | 71 |
| 2005 | 36 | 78 |
| 2006 | 48 | 59 |
| 2007 | 38 | 54 |
| 2008 | 35 | 38 |
| 2009 | 30 | 27 |
| 2010 | 15 | 23 |
| 2011 | 22 | 19 |
| 2012 | 34 | 15 |
| 2013 | 19 | 9 |
| 2014 | 9 | 1 |
| 2015 | 2 | 1 |
| 2016 | 4 | 3 |
| 2017 | 1 | 1 |
| 2018 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Record playback apparatus8 May 2018US 9,966,099 B2Panasonic Intellectual Property Management Co., Ltd.
- Optical disc drive1 May 2018US 9,959,896 B1Lite-On Technology Corporation
- Optical disk drive with multiple optical pick-up heads20 Mar 2018US 9,922,675 B1Lite-On Electronics (Guangzhou) Limited
- Optical pickup, disk drive device, and optical element driving device4 Jul 2017US 9,697,864 B2Sony Corporation
- Optical disc drive6 Sep 2016US 9,437,249 B1Hitachi-LG Data Storage Korea, Inc.
- Record playback apparatus21 Sep 2017US 2017/0270958 A1Panasonic Intellectual Property Management Co., Ltd.
- Optical pickup, disk drive device, and optical element driving device8 Dec 2016US 2016/0358624 A1Sony Corporation
- Optical disc drive25 Aug 2016US 2016/0247545 A1Hitachi-LG Data Storage Korea, Inc.
- Optical pickup device21 Jan 2016US 2016/0019925 A1Alpine Electronics, Inc.
- Optical disk device2 Jul 2015US 2015/0187382 A1Funai Electric Co., Ltd.
Most cited
By later US patents
- Optical storage systems with flying optical heads for near-field recording and reading103US 6,243,350 B1Terastor Corporation · 2001
- Method and apparatus for moving carriage assembly from initial position to target position and optical disc system including same92US 6,741,529 B1Discovision Associates · 2004
- Multiple independently positionable recording-reading head disk system86US 4,972,396 AHoneywell Inc. · 1990
- Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal84US 5,729,511 ADiscovision Associates · 1998
- Optical disc access method and optical disk storage using coarse and fine actuators82US 4,866,687 AHitachi, Ltd. · 1989