G11B 15/087
By sensing recorded signals
Official title: by sensing recorded signals
G11B15/087 (By sensing recorded signals) appears on 548 US grants and 97 published applications in this corpus.
Search patents in G11B- Granted patents
- 548
- Published applications
- 97
- Assignees
- 103
- Inventors
- 799
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 16 | 0 |
| 1988 | 12 | 0 |
| 1989 | 16 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 15 | 0 |
| 1993 | 23 | 0 |
| 1994 | 38 | 0 |
| 1995 | 32 | 0 |
| 1996 | 32 | 0 |
| 1997 | 32 | 0 |
| 1998 | 39 | 0 |
| 1999 | 43 | 0 |
| 2000 | 48 | 0 |
| 2001 | 38 | 13 |
| 2002 | 19 | 8 |
| 2003 | 11 | 15 |
| 2004 | 14 | 11 |
| 2005 | 16 | 7 |
| 2006 | 9 | 8 |
| 2007 | 7 | 2 |
| 2008 | 4 | 8 |
| 2009 | 3 | 2 |
| 2010 | 5 | 2 |
| 2011 | 0 | 2 |
| 2012 | 4 | 1 |
| 2013 | 3 | 1 |
| 2014 | 2 | 3 |
| 2015 | 5 | 5 |
| 2016 | 7 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tape reader3 Feb 2026US 12,542,156 B2Tape Ark
- Tape reader9 Jul 2024US 12,033,679 B2Tape Ark
- Locating data within tape systems using sub dataset headers25 Apr 2023US 11,635,914 B2International Business Machines Corporation
- Recording and reproducing device and recording and reproducing method26 Jan 2021US 10,902,877 B2FUJIFILM Corporation
- Tape device and controller26 Jan 2021US 10,902,878 B2Fujitsu Limited
- Tape reader2 Jan 2025US 2025/0006224 A1Tape Ark
- Tape reader29 Dec 2022US 2022/0415348 A1Tape Ark
- Locating data within tape systems using sub dataset headers3 Feb 2022US 2022/0035563 A1International Business Machines Corporation
- Tape device and controller19 Nov 2020US 2020/0365182 A1Fujitsu Limited
- Recording and reproducing device and recording and reproducing method1 Oct 2020US 2020/0312366 A1FUJIFILM Corporation
Most cited
By later US patents
- Apparatus and method for tracking the playing of VCR programs447US 5,488,409 A1996
- Method and apparatus for controlling a videotape player to automatically scan past recorded commercial messages202US 5,333,091 AArthur D. Little Enterprises, Inc. · 1994
- Apparatus and method for preventing unauthorized copying of video signals201US 5,418,853 ASony Corporation · 1995
- Method for selectively playing back programs recorded on a video tape191US 5,621,579 AIndex Systems, Inc. · 1997
- Enhancing operations of video tape cassette players177US 6,091,884 AIndex Systems, Inc. · 2000