G11B 23/0332
For single discs
Official title: {for single discs, e.g. envelopes}
G11B23/0332 (For single discs) appears on 247 US grants and 18 published applications in this corpus.
Search patents in G11B- Granted patents
- 247
- Published applications
- 18
- Assignees
- 60
- Inventors
- 321
- Latest grant
- 12 Feb 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 10 | 0 |
| 1984 | 11 | 0 |
| 1985 | 16 | 0 |
| 1986 | 23 | 0 |
| 1987 | 32 | 0 |
| 1988 | 21 | 0 |
| 1989 | 21 | 0 |
| 1990 | 12 | 0 |
| 1991 | 11 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 3 |
| 2002 | 6 | 2 |
| 2003 | 4 | 5 |
| 2004 | 1 | 7 |
| 2005 | 0 | 0 |
| 2006 | 4 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Data storage cartridge having baffles12 Feb 2008US 7,331,056 B2Storage Technology Corporation
- Magnetic disc medium19 Sep 2006US 7,108,903 B2Fuji Photo Film Co., Ltd.
- Disk cartridge4 Apr 2006US 7,023,662 B2Fuji Photo Film Co., Ltd.
- Magnetic disk cartridge21 Mar 2006US 7,016,153 B2Fuji Photo Film Co., Ltd.
- Magnetic disk cartridge with dust removing liner31 Jan 2006US 6,992,859 B2Fuji Photo Film Co., Ltd.
- Data storage cartridge5 Jan 2006US 2006/0005217 A1Storage Technology Corporation
- Disk cartridge23 Dec 2004US 2004/0257704 A1Fuji Photo Film Co., Ltd.
- Compact removable magnetic recording medium20 May 2004US 2004/0096701 A1Fuji Photo Film Co., Ltd.
- Magnetic disc medium20 May 2004US 2004/0096702 A1Fuji Photo Film Co., Ltd.
- Disc cartridge6 May 2004US 2004/0085676 A1Fuji Photo Film Co., Ltd.
Most cited
By later US patents
- Flexible magnetic disk cassette84US 4,445,157 ASony Corporation · 1984
- Magnetic recording disk cartridge61US 4,608,617 AFuji Photo Film Co., Ltd. · 1986
- Flexible magnetic disk cassette and a recording and/or reproducing apparatus for the same52US 4,445,155 ASony Corporation · 1984
- Large-capacity flexible disk and high-density type disk drive used therefor51US 5,940,255 AMitsumi Electric Co., Ltd. · 1999
- Flexible disc recording and/or reproducing apparatus48US 4,466,032 ASony Corporation · 1984