G11B 17/022
Positioning or locking of single discs
G11B17/022 (Positioning or locking of single discs) appears on 1,744 US grants and 899 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,744
- Published applications
- 899
- Assignees
- 367
- Inventors
- 2,687
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 21 | 0 |
| 1978 | 25 | 0 |
| 1979 | 21 | 0 |
| 1980 | 32 | 0 |
| 1981 | 16 | 0 |
| 1982 | 20 | 0 |
| 1983 | 39 | 0 |
| 1984 | 47 | 0 |
| 1985 | 42 | 0 |
| 1986 | 62 | 0 |
| 1987 | 64 | 0 |
| 1988 | 62 | 0 |
| 1989 | 61 | 0 |
| 1990 | 19 | 0 |
| 1991 | 39 | 0 |
| 1992 | 38 | 0 |
| 1993 | 35 | 0 |
| 1994 | 23 | 0 |
| 1995 | 19 | 0 |
| 1996 | 28 | 0 |
| 1997 | 35 | 0 |
| 1998 | 45 | 0 |
| 1999 | 52 | 0 |
| 2000 | 46 | 0 |
| 2001 | 57 | 28 |
| 2002 | 48 | 69 |
| 2003 | 52 | 73 |
| 2004 | 72 | 64 |
| 2005 | 55 | 112 |
| 2006 | 47 | 77 |
| 2007 | 62 | 99 |
| 2008 | 57 | 91 |
| 2009 | 46 | 47 |
| 2010 | 42 | 47 |
| 2011 | 67 | 52 |
| 2012 | 54 | 35 |
| 2013 | 45 | 27 |
| 2014 | 39 | 24 |
| 2015 | 29 | 6 |
| 2016 | 12 | 7 |
| 2017 | 6 | 5 |
| 2018 | 3 | 3 |
| 2019 | 10 | 5 |
| 2020 | 6 | 4 |
| 2021 | 0 | 4 |
| 2022 | 5 | 0 |
| 2023 | 4 | 11 |
| 2024 | 9 | 6 |
| 2025 | 4 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotatable body mounting device and hard disk manufacturing method30 Sep 2025US 12,431,166 B2Komura-Tech Co., Ltd.
- Retention structures and systems for record or vinyl playback devices or systems29 Apr 2025US 12,288,571 B2Koolance, Inc.
- Clamp member and hard disk drive device11 Mar 2025US 12,249,347 B2MINEBEA MITSUMI Inc.
- Impact resistant magnetic disk device and method for manufacturing impact resistant magnetic disk device21 Jan 2025US 12,205,616 B2Furukawa Electric Co., Ltd.
- Removable disk clamp for read-write device in archival data storage library31 Dec 2024US 12,183,366 B2Western Digital Technologies, Inc.
- Acoustic device13 Aug 2026US 2026/0237404 A1Alphatheta Corporation
- Optical disc drive25 Jun 2026US 2026/0179653 A1Sony Interactive Entertainment Inc.
- Optical disc drive and electronic equipment30 Jan 2025US 2025/0037741 A1Sony Interactive Entertainment Inc.
- Rotating body mounting device and hard disk manufacturing method17 Oct 2024US 2024/0347074 A1Komura-Tech Co., Ltd.
- Data storage library magnetic disk retain and exchange system4 Jul 2024US 2024/0221786 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Flexible magnetic disk cassette84US 4,445,157 ASony Corporation · 1984
- Apparatus for coupling record disk to disk drive81US 4,901,173 A1990
- Compact recording apparatus with functional components mounted on a substrate75US 5,130,804 AKonica Corporation · 1992
- Balancing apparatus and method for high speed hard disk drive spindles73US 6,356,409 B1International Business Machines Corporation · 2002
- Spin stand comprising a dual disk clamp69US 8,331,056 B2WD Media, LLC · 2012