G11B 17/0255
Flexible discs
Official title: {flexible discs}
G11B17/0255 (Flexible discs) appears on 4 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 4
- Published applications
- 0
- Assignees
- 4
- Inventors
- 12
- Latest grant
- 7 Apr 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Floppy Disk drive having a drive lever for driving a disk7 Apr 1998US 5,737,149 ASamsung Electro-Mechanics Co., Ltd.
- Automatic disc loading apparatus3 Sep 1985US 4,539,670 APioneer Electronic Corporation
- Apparatus for detachably mounting a record sheet in place in a sheet type recorder/player8 Nov 1977US 4,057,256 ARicoh Company, Ltd.
- Magnetic sheet player with an adjustable inclined magnetic head26 Apr 1977US 4,020,505 AGakken Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Automatic disc loading apparatus11US 4,539,670 APioneer Electronic Corporation · 1985
- Magnetic sheet player with an adjustable inclined magnetic head2US 4,020,505 AGakken Co., Ltd. · 1977
- Apparatus for detachably mounting a record sheet in place in a sheet type recorder/player2US 4,057,256 ARicoh Company, Ltd. · 1977
- Floppy Disk drive having a drive lever for driving a disk2US 5,737,149 ASamsung Electro-Mechanics Co., Ltd. · 1998