G11B 5/52
With simultaneous movement of head and record carrier
Official title: with simultaneous movement of head and record carrier, e.g. rotation of head (G11B5/588 takes precedence)
G11B5/52 (With simultaneous movement of head and record carrier) appears on 813 US grants and 182 published applications in this corpus.
Search patents in G11B- Granted patents
- 813
- Published applications
- 182
- Assignees
- 139
- Inventors
- 1,156
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 14 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 13 | 0 |
| 1982 | 17 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 12 | 0 |
| 1986 | 18 | 0 |
| 1987 | 26 | 0 |
| 1988 | 18 | 0 |
| 1989 | 30 | 0 |
| 1990 | 18 | 0 |
| 1991 | 32 | 0 |
| 1992 | 26 | 0 |
| 1993 | 25 | 0 |
| 1994 | 32 | 0 |
| 1995 | 33 | 0 |
| 1996 | 32 | 0 |
| 1997 | 38 | 0 |
| 1998 | 68 | 0 |
| 1999 | 50 | 0 |
| 2000 | 39 | 0 |
| 2001 | 35 | 19 |
| 2002 | 22 | 29 |
| 2003 | 20 | 21 |
| 2004 | 25 | 36 |
| 2005 | 19 | 17 |
| 2006 | 27 | 11 |
| 2007 | 11 | 8 |
| 2008 | 10 | 2 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 3 | 1 |
| 2013 | 2 | 1 |
| 2014 | 3 | 5 |
| 2015 | 6 | 3 |
| 2016 | 4 | 5 |
| 2017 | 3 | 1 |
| 2018 | 3 | 1 |
| 2019 | 2 | 4 |
| 2020 | 4 | 1 |
| 2021 | 4 | 3 |
| 2022 | 2 | 2 |
| 2023 | 3 | 4 |
| 2024 | 1 | 4 |
| 2025 | 6 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Latch for zero/fixed skew data storage device14 Apr 2026US 12,603,105 B2Seagate Technology LLC
- Multi-revolution hard disk drives with reduced servo overhead2 Dec 2025US 12,488,807 B2Seagate Technology LLC
- Disk apparatus including flexure having portions of different thicknesses4 Nov 2025US 12,462,835 B2Kabushiki Kaisha Toshiba
- Rotatable body mounting device and hard disk manufacturing method30 Sep 2025US 12,431,166 B2Komura-Tech Co., Ltd.
- Magnetic tape device and method of operating magnetic tape device29 Jul 2025US 12,374,363 B2FUJIFILM Corporation
- Multi-revolution hard disk drives with reduced servo overhead27 Nov 2025US 2025/0364008 A1Seagate Technology LLC
- Disk apparatus27 Mar 2025US 2025/0104734 A1Kabushiki Kaisha Toshiba
- Latch for zero/fixed skew data storage device19 Dec 2024US 2024/0420734 A1Seagate Technology LLC
- Base plate, spindle motor, disk drive device, and method for manufacturing base plate21 Nov 2024US 2024/0386909 A1Nidec Corporation
- Rotating body mounting device and hard disk manufacturing method17 Oct 2024US 2024/0347074 A1Komura-Tech Co., Ltd.
Most cited
By later US patents
- Waveguide apparatus for coupling a high data rate signal to and from a rotary head scanner203US 4,717,974 AEastman Kodak Company · 1988
- Personal identification system and method134US 4,991,205 A1991
- Error prevention in a recording and reproducing device with at least one rotating head60US 5,067,035 AKudelski SA fabrique de'enregistreurs Nagra · 1991
- Ultra small track width thin film magnetic transducer56US 5,189,580 AAmpex Corporation · 1993
- Buffered recording48US 4,298,897 AInternational Business Machines Corporation · 1981