G11B 20/1252
For discontinuous data
Official title: {for discontinuous data, e.g. digital information signals or computer program data}
G11B20/1252 (For discontinuous data) appears on 528 US grants and 256 published applications in this corpus.
Search patents in G11B- Granted patents
- 528
- Published applications
- 256
- Assignees
- 120
- Inventors
- 664
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 17 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 17 | 0 |
| 1998 | 31 | 0 |
| 1999 | 17 | 0 |
| 2000 | 37 | 0 |
| 2001 | 47 | 19 |
| 2002 | 37 | 34 |
| 2003 | 22 | 23 |
| 2004 | 19 | 21 |
| 2005 | 15 | 24 |
| 2006 | 32 | 16 |
| 2007 | 15 | 18 |
| 2008 | 17 | 22 |
| 2009 | 9 | 10 |
| 2010 | 19 | 4 |
| 2011 | 15 | 11 |
| 2012 | 11 | 7 |
| 2013 | 11 | 3 |
| 2014 | 7 | 8 |
| 2015 | 10 | 18 |
| 2016 | 13 | 8 |
| 2017 | 10 | 3 |
| 2018 | 6 | 3 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic disk device21 Jan 2025US 12,205,617 B2Kabushiki Kaisha Toshiba
- Encoding data25 Apr 2023US 11,636,878 B2
- Encoding data23 Feb 2021US 10,930,314 B2
- Method and apparatus for caching data in an solid state disk (SSD) of a hybrid drive that includes the SSD and a hard disk drive (HDD)1 Sep 2020US 10,761,737 B2Marvell Asia Pte Ltd
- Shingled magnetic recording trim operation9 Jul 2019US 10,346,096 B1Seagate Technology LLC
- Magnetic disk device5 Sep 2024US 2024/0296869 A1Kabushiki Kaisha Toshiba
- Encoding data10 Jun 2021US 2021/0174834 A1
- Encoding data7 Nov 2019US 2019/0341076 A1
- Shingled magnetic recording trim operation20 Jun 2019US 2019/0187936 A1Seagate Technology LLC
- Method and apparatus for caching data in an solid state disk (ssd) of a hybrid drive that includes the ssd and a hard disk drive (hdd)27 Dec 2018US 2018/0373442 A1Marvell World Trade Ltd.
Most cited
By later US patents
- Disk controller having sequential digital logic in a state machine for transferring data between DMA device and disk drive with minimal assistance of the CPU281US 5,721,949 AApple Computer, Inc. · 1998
- Arrayed disk drive system and method264US 5,148,432 AArray Technology Corporation · 1992
- High performance file system204US 5,371,885 AMicrosoft Corporation · 1994
- Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, optical disk and method of producing optical disk167US 5,761,301 AMatsushita Electric Industrial Co., Ltd. · 1998
- System for locating and anticipating data storage media failures159US 5,287,363 ADisk Technician Corporation · 1994