G11B 23/0311
Wrong insertion preventing means
Official title: {Wrong insertion preventing means}
G11B23/0311 (Wrong insertion preventing means) appears on 73 US grants and 23 published applications in this corpus.
Search patents in G11B- Granted patents
- 73
- Published applications
- 23
- Assignees
- 25
- Inventors
- 110
- Latest grant
- 8 Jan 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 8 |
| 2002 | 5 | 4 |
| 2003 | 9 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 3 |
| 2006 | 3 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cartridge system8 Jan 2013US 8,351,149 B2Buffalo Inc.
- Removable data cartridge15 Mar 2011US 7,907,366 B2ProStor Systems, Inc.
- Recording medium drive device, electronic equipment having the recording medium drive device, and recording medium cartridge17 Feb 2009US 7,493,635 B2Sony Corporation
- Disk cartridge26 Jun 2007US 7,237,248 B2Sony Corporation
- Disk cartridge2 Jan 2007US 7,159,229 B2Sony Corporation
- Cartridge system14 Jul 2011US 2011/0170393 A1Buffalo Inc.
- Removable data cartridge26 Apr 2007US 2007/0091504 A1ProStor, Inc.
- Recording medium drive device, electronic equipment having the recording medium drive device, and recording medium cartridge10 Aug 2006US 2006/0179449 A1Sony Corporation
- Recording and/or reproducing apparatus and recording medium cartridge holder11 Aug 2005US 2005/0174683 A1Sony Corporation
- Recording and/or reproducing apparatus and recording medium cartridge holder4 Aug 2005US 2005/0172307 A1Sony Corporation
Most cited
By later US patents
- High-density flexible disk drive having a function of facilitating correct insertion of a large-capacity flexible disk thereinto without an insertion error47US 5,953,187 AMitsumi Electric Co., Ltd. · 1999
- Disk cartridge and data storage device with incompatible disk cartridge insertion protection38US 6,018,433 AIomega Corporation · 2000
- Keying slots on cartridge33US 5,694,278 AIomega Corporation · 1997
- System for selectively interfacing information carriers by physically accepting cassettes31US 5,325,243 AU. S. Philips Corporation · 1994
- Disc cartridge30US 5,530,691 ASony Corporation · 1996