G11B 21/003
Disposition of fixed heads
Official title: {Disposition of fixed heads, e.g. for scanning, selecting or following of tracks}
G11B21/003 (Disposition of fixed heads) appears on 38 US grants and 15 published applications in this corpus.
Search patents in G11B- Granted patents
- 38
- Published applications
- 15
- Assignees
- 31
- Inventors
- 67
- Latest grant
- 27 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hybrid dedicated and dynamic servo for tape27 Jun 2023US 11,688,420 B2Western Digital Technologies, Inc.
- Assembly that enables reduction in disk to disk spacing23 Aug 2022US 11,423,927 B2Seagate Technology LLC
- Data storage device using laterally offset read element to compensate for tape stretch28 Jun 2022US 11,373,683 B2Western Digital Technologies, Inc.
- Method and system for facilitating low-cost high-throughput storage for accessing large-size I/O blocks in a hard disk drive16 Feb 2021US 10,923,156 B1Alibaba Group Holding Limited
- Data recording method and apparatus19 Nov 2019US 10,482,922 B1Amazon Technologies, Inc.
- Hybrid Dedicated and Dynamic Servo for Tape11 May 2023US 2023/0141431 A1Western Digital Technologies, Inc.
- Data storage device using laterally offset read element to compensate for tape stretch7 Apr 2022US 2022/0108725 A1Western Digital Technologies, Inc.
- Assembly that enables reduction in disk to disk spacing7 Oct 2021US 2021/0312945 A1Seagate Technology LLC
- Magnetic recording medium processing device26 Mar 2020US 2020/0098393 A1Nidec Sankyo Corporation
- Portable turntable device, system, and method4 May 2017US 2017/0125039 A1Love Turntable, Inc.
Most cited
By later US patents
- Microstructure array and activation system therefor53US 5,237,529 A1993
- System and method for reproducing pictures and related audio information38US 4,317,131 AMcDonnell Douglas Corporation · 1982
- High resolution imaging and measuring dynamic surface effects of substrate surfaces38US 5,491,338 A1996
- Slider for heat assisted magnetic recording including a photo detector for monitoring laser power29US 8,391,107 B2Seagate Technology LLC · 2013
- Record member for magnetic and optical recording24US 4,779,145 A1988