G11B 23/0307
Positioning or centering features
Official title: {Positioning or centering features}
G11B23/0307 (Positioning or centering features) appears on 87 US grants and 48 published applications in this corpus.
Search patents in G11B- Granted patents
- 87
- Published applications
- 48
- Assignees
- 33
- Inventors
- 151
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 2 |
| 2002 | 6 | 11 |
| 2003 | 4 | 5 |
| 2004 | 6 | 4 |
| 2005 | 5 | 11 |
| 2006 | 3 | 6 |
| 2007 | 3 | 2 |
| 2008 | 4 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic tape cartridges package8 Apr 2025US 12,272,378 B2FUJIFILM Corporation
- Automatic implementation of a physical barrier to protect removable storage media access2 Jul 2024US 12,027,182 B2Quantum Corporation
- Reduced form factor, high-density, front-access only automated tape library23 May 2023US 11,657,849 B1Quantum Corporation
- Automatic implementation of a physical barrier to protect removable storage media access14 Mar 2023US 11,605,401 B2Quantum Corporation
- Clamping plate, cartridge case, information medium, mold, and method of manufacturing clamping plate27 Oct 2009US 7,610,595 B2TDK Corporation
- Record support plate, record jacket, and record product24 Sep 2026US 2026/0290398 A1P-Vine, Inc.
- Package15 Feb 2024US 2024/0055023 A1FUJIFILM Corporation
- Automatic implementation of a physical barrier to protect removable storage media access6 Jul 2023US 2023/0215463 A1Quantum Corporation
- Automatic implementation of a physical barrier to protect removable storage media access4 Nov 2021US 2021/0343313 A1Quantum Corporation
- Chucking plate for disk cartridge, method for manufacturing the chucking plate, and disk cartridge18 Feb 2010US 2010/0043019 A1Sony Corporation
Most cited
By later US patents
- Removable cartridge with a 2.5 inch form factor and an interlocking mechanism adapted for use in a disk drive43US 5,262,918 ASyquest Technology, Inc. · 1993
- Improved disc cartridge and recording and/or reproducing apparatus having means for positioning a turntable and disc cartridge support structure and means for reducing vibrations31US 5,416,762 ASony Corporation · 1995
- Removable cartridge disk drive with a 2.5 inch form factor utilizing a cartridge having a rotatable disk access door29US 5,398,141 ASyquest Technology, Inc. · 1995
- Methods and apparatus for detecting whether a removable cartridge disk drive is empty26US 5,854,719 AIomega Corporation · 1998
- Disc cartridge24US 5,323,382 ASony Corporation · 1994