G11B 20/14
Using self-clocking codes
Official title: using self-clocking codes
G11B20/14 (Using self-clocking codes) appears on 3,286 US grants and 1,761 published applications in this corpus.
Search patents in G11B- Granted patents
- 3,286
- Published applications
- 1,761
- Assignees
- 504
- Inventors
- 3,372
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 32 | 0 |
| 1978 | 11 | 0 |
| 1979 | 17 | 0 |
| 1980 | 27 | 0 |
| 1981 | 18 | 0 |
| 1982 | 32 | 0 |
| 1983 | 29 | 0 |
| 1984 | 32 | 0 |
| 1985 | 55 | 0 |
| 1986 | 38 | 0 |
| 1987 | 32 | 0 |
| 1988 | 25 | 0 |
| 1989 | 52 | 0 |
| 1990 | 32 | 0 |
| 1991 | 25 | 0 |
| 1992 | 43 | 0 |
| 1993 | 50 | 0 |
| 1994 | 71 | 0 |
| 1995 | 92 | 0 |
| 1996 | 100 | 0 |
| 1997 | 108 | 0 |
| 1998 | 147 | 0 |
| 1999 | 125 | 0 |
| 2000 | 152 | 0 |
| 2001 | 152 | 51 |
| 2002 | 131 | 183 |
| 2003 | 147 | 188 |
| 2004 | 152 | 214 |
| 2005 | 121 | 182 |
| 2006 | 202 | 172 |
| 2007 | 205 | 241 |
| 2008 | 169 | 152 |
| 2009 | 125 | 110 |
| 2010 | 120 | 70 |
| 2011 | 103 | 49 |
| 2012 | 78 | 31 |
| 2013 | 56 | 15 |
| 2014 | 29 | 21 |
| 2015 | 25 | 13 |
| 2016 | 21 | 15 |
| 2017 | 21 | 13 |
| 2018 | 13 | 8 |
| 2019 | 14 | 14 |
| 2020 | 11 | 8 |
| 2021 | 7 | 4 |
| 2022 | 4 | 1 |
| 2023 | 5 | 4 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Decision feedback equalization in semiconductor devices20 May 2025US 12,308,049 B2Macronix International Co., Ltd.
- Unified time base for storage device data channel21 Jan 2025US 12,206,753 B1Marvell Asia Pte Ltd
- Decoding device, decoding method, program, encoding device, and encoding method7 Jan 2025US 12,190,894 B2Sony Group Corporation
- Recording medium, recording apparatus, recording method, reproducing apparatus, and reproduction method4 Jun 2024US 12,002,489 B2Sony Group Corporation
- Digital timing recovery for constant density servo read operations19 Mar 2024US 11,935,561 B1Marvell Asia Pte Ltd
- Decoding device, decoding method, program, encoding device, and encoding method22 May 2025US 2025/0166635 A1Sony Group Corporation
- Decision feedback equalization in semiconductor devices26 Dec 2024US 2024/0428822 A1Macronix International Co., Ltd.
- Recording medium, recording apparatus, recording method, reproducing apparatus, and reproduction method14 Dec 2023US 2023/0402061 A1Sony Group Corporation
- Synchronization Signal (Sync Mark) Detection Using Multi-Frequency Sinusoidal (MFS) Signal-Based Filtering10 Aug 2023US 2023/0254109 A1Broadcom International Pte. Ltd.
- Decoding device, decoding method, program, encoding device, and encoding method11 May 2023US 2023/0145547 A1Sony Group Corporation
Most cited
By later US patents
- Synchronized, variable-speed playback of digitally recorded audio and video233US 5,583,652 AInternational Business Machines Corporation · 1996
- Disk drive employing read channel IC with common port for data and servo233US 6,278,568 B1Western Digital Corporation · 2001
- Disk drive employing read error tolerant sync mark detection216US 6,411,452 B1Western Digital Technologies, Inc. · 2002
- Embedded servo banded format for magnetic disks for use with a data processing system209US 5,278,703 ADigital Equipment Corporation · 1994
- Coding method and apparatus using quaternary codes209US 5,331,320 AInternational Business Machines Corporation · 1994