G11B 5/4555
By using a spin-stand, i.e. a spinning disc or simulator
Official title: {by using a spin-stand, i.e. a spinning disc or simulator}
G11B5/4555 (By using a spin-stand, i.e. a spinning disc or simulator) appears on 124 US grants and 128 published applications in this corpus.
Search patents in G11B- Granted patents
- 124
- Published applications
- 128
- Assignees
- 45
- Inventors
- 320
- Latest grant
- 18 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 7 |
| 2006 | 7 | 15 |
| 2007 | 8 | 23 |
| 2008 | 9 | 14 |
| 2009 | 18 | 17 |
| 2010 | 6 | 14 |
| 2011 | 17 | 4 |
| 2012 | 9 | 13 |
| 2013 | 6 | 2 |
| 2014 | 9 | 5 |
| 2015 | 9 | 1 |
| 2016 | 4 | 5 |
| 2017 | 4 | 0 |
| 2018 | 7 | 1 |
| 2019 | 1 | 0 |
| 2020 | 5 | 4 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic write head with write-field enhancement structure including a magnetic notch18 May 2021US 11,011,190 B2Western Digital Technologies, Inc.
- Magnetic recording devices and methods using a write-field-enhancement structure and bias current with offset pulses23 Mar 2021US 10,957,346 B2Western Digital Technologies, Inc.
- Slider test socket17 Nov 2020US 10,839,836 B2Seagate Technology LLC
- TD detection with enhanced HDIs signal17 Nov 2020US 10,839,843 B1Headway Technologies, Inc.
- System and method using on-ramp heating to detect laser mode hopping in heat assisted recording8 Sep 2020US 10,770,106 B1Seagate Technology LLC
- Magnetic recording devices and methods using a write-field-enhancement structure and bias current with offset pulses5 Nov 2020US 2020/0349967 A1Western Digital Technologies, Inc.
- Magnetic write head with write-field enhancement structure including a magnetic notch29 Oct 2020US 2020/0342899 A1Western Digital Technologies, Inc.
- Shared MAMR and HDI Sensor/Driver10 Sep 2020US 2020/0286507 A1Headway Technologies, Inc.
- Slider test socket2 Apr 2020US 2020/0105296 A1Seagate Technology LLC
- Slider test socket23 Aug 2018US 2018/0240480 A1Seagate Technology LLC
Most cited
By later US patents
- Spin stand testing system with fine positioner for head stack assembly166US 7,131,346 B1Western Digital (Fremont), LLC · 2006
- Writing high frequency pattern over a DC background to detect skip track erasure for a disk drive133US 8,094,401 B1Western Digital Technologies, Inc. · 2012
- Systems and methods for extracting Curie temperature distribution in heat assisted magnetic recording media60US 8,787,124 B1WD Media, LLC · 2014
- Tester with virtual ground48US 8,004,782 B1Western Digital Technologies, Inc. · 2011
- Suspension clamp for clamping a disk drive suspension to an actuator arm48US 8,705,209 B2Western Digital Technologies, Inc. · 2014