G11B 19/2054
Spindle motor power-up sequences
Official title: {Spindle motor power-up sequences}
G11B19/2054 (Spindle motor power-up sequences) appears on 95 US grants and 76 published applications in this corpus.
Search patents in G11B- Granted patents
- 95
- Published applications
- 76
- Assignees
- 45
- Inventors
- 176
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 4 |
| 2002 | 7 | 5 |
| 2003 | 0 | 2 |
| 2004 | 2 | 7 |
| 2005 | 4 | 6 |
| 2006 | 5 | 1 |
| 2007 | 8 | 3 |
| 2008 | 4 | 7 |
| 2009 | 4 | 6 |
| 2010 | 3 | 4 |
| 2011 | 3 | 2 |
| 2012 | 5 | 2 |
| 2013 | 5 | 2 |
| 2014 | 6 | 8 |
| 2015 | 8 | 3 |
| 2016 | 3 | 5 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 2 | 1 |
| 2020 | 4 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 3 | 3 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Disk device11 Mar 2025US 12,249,352 B2Kabushiki Kaisha Toshiba
- Enhancing spin up and spin down times for data storage devices14 Jan 2025US 12,198,722 B2Western Digital Technologies, Inc.
- Maintaining consistent location for spindle interrupts when spindle motor switches modes22 Oct 2024US 12,125,500 B2Western Digital Technologies, Inc.
- Spindle motor and hard disk drive device27 Feb 2024US 11,915,720 B2MINEBEA MITSUMI Inc.
- Dual spindle motor hard disk drive23 Jan 2024US 11,881,232 B2Western Digital Technologies, Inc.
- Enhancing spin up and spin down times for data storage devices14 Nov 2024US 2024/0379123 A1Western Digital Technologies, Inc.
- Maintaining consistent location for spindle interrupts when spindle motor switches modes25 Jul 2024US 2024/0249748 A1Western Digital Technologies, Inc.
- Disk device21 Mar 2024US 2024/0096376 A1Kabushiki Kaisha Toshiba
- Spindle motor and hard disk drive device21 Sep 2023US 2023/0298625 A1MINEBEA MITSUMI Inc.
- Dual spindle motor hard disk drive11 May 2023US 2023/0142716 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Self-heating disk drive176US 7,203,021 B1Western Digital Technologies, Inc. · 2007
- Disk drive estimating angular position of spindle motor during spin-up by computing differences in winding current rise times112US 7,253,582 B1Western Digital Technologies, Inc. · 2007
- Hybrid drive adjusting spin-up profile based on cache status of non-volatile semiconductor memory70US 8,630,056 B1Western Digital Technologies, Inc. · 2014
- Device with power control feature involving backup power reservoir circuit51US 8,627,117 B2Seagate Technology LLC · 2014
- Disk drive input sequencing for staggered drive spin-up44US 7,305,572 B1EMC Corporation · 2007