G11B 7/122
Flying-type heads
Official title: Flying-type heads, e.g. analogous to Winchester type in magnetic recording
G11B7/122 (Flying-type heads) appears on 409 US grants and 201 published applications in this corpus.
Search patents in G11B- Granted patents
- 409
- Published applications
- 201
- Assignees
- 116
- Inventors
- 667
- Latest grant
- 17 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 17 | 0 |
| 2000 | 47 | 0 |
| 2001 | 52 | 26 |
| 2002 | 42 | 46 |
| 2003 | 47 | 28 |
| 2004 | 40 | 26 |
| 2005 | 21 | 14 |
| 2006 | 24 | 19 |
| 2007 | 10 | 6 |
| 2008 | 14 | 6 |
| 2009 | 13 | 6 |
| 2010 | 7 | 9 |
| 2011 | 4 | 3 |
| 2012 | 6 | 4 |
| 2013 | 2 | 1 |
| 2014 | 5 | 3 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Plasmonic transducer head for writing data to and reading data from an optical recording medium ultilizing a fluorescent dye17 May 2022US 11,335,373 B1Seagate Technology LLC
- Method and device for irradiating spots on a layer13 Apr 2021US RE48,515 E1ASML Netherlands B. V.
- Head gimbal assembly and magnetic disk device having the same18 Aug 2020US 10,748,576 B2Kabushiki Kaisha Toshiba
- Head-disk contact detection using a thermal sensor for modulation air bearings27 Mar 2018US 9,928,873 B1Seagate Technology LLC
- Method and device for irradiating spots on a layer13 Jun 2017US RE46,433 E1ASML Netherlands B. V.
- Head gimbal assembly and magnetic disk device having the same29 Aug 2019US 2019/0267038 A1Kabushiki Kaisha Toshiba
- Magnetic Recording Method28 Mar 2019US 2019/0096435 A1
- Topographic feedforward system12 May 2016US 2016/0133289 A1Elwha LLC
- Topographic feedforward system16 Jul 2015US 2015/0199992 A1Elwha LLC
- Topographic feedforward system18 Sep 2014US 2014/0269239 A1Elwha LLC
Most cited
By later US patents
- Method and apparatus for coupling an optical lens to a disk through a coupling medium having a relatively high index of refraction495US 6,236,634 B1Digital Papyrus Corporation · 2001
- Optical recording system employing a solid immersion lens193US 5,125,750 AThe Board of Trustees of the Leland Stanford Junior University · 1992
- High numerical aperture optical focusing device having a conical incident facet and a parabolic reflector for use in data storage systems185US 6,377,535 B1Read-Rite Corporation · 2002
- Magneto-optical data storage system having an optical-processing flying head180US 6,081,499 ASeagate Technology LLC · 2000
- High numerical aperture optical focusing device for use in data storage systems179US 6,185,051 B2Read-Rite Corporation · 2001