G11B 15/442
Control thereof
Official title: {Control thereof}
G11B15/442 (Control thereof) appears on 314 US grants and 19 published applications in this corpus.
Search patents in G11B- Granted patents
- 314
- Published applications
- 19
- Assignees
- 70
- Inventors
- 382
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 13 | 0 |
| 1984 | 16 | 0 |
| 1985 | 9 | 0 |
| 1986 | 21 | 0 |
| 1987 | 20 | 0 |
| 1988 | 18 | 0 |
| 1989 | 18 | 0 |
| 1990 | 16 | 0 |
| 1991 | 18 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 21 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 13 | 0 |
| 1998 | 12 | 0 |
| 1999 | 12 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 3 | 2 |
| 2015 | 3 | 5 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhanced dynamic braking algorithm for tape storage device15 Sep 2026US 12,738,297 B2International Business Machines Corporation
- Power improvement for minimum switching frequency operation19 Nov 2024US 12,148,446 B1Western Digital Technologies, Inc.
- Regenerative braking for tape drive7 May 2024US 11,978,479 B2Western Digital Technologies, Inc.
- Information processing apparatus and information processing method27 Dec 2022US 11,538,497 B2Fujitsu Limited
- Adaptive tension position changing for magnetic tape recording device8 Sep 2020US 10,770,107 B1International Business Machines Corporation
- Enhanced dynamic braking algorithm for tape storage device16 Jan 2025US 2025/0022484 A1International Business Machines Corporation
- Regenerative Braking For Tape Drive21 Dec 2023US 2023/0410844 A1Western Digital Technologies, Inc.
- Information processing apparatus and information processing method12 May 2022US 2022/0148620 A1Fujitsu Limited
- Apparatus and method for controlling transportation of tape medium14 Apr 2016US 2016/0104506 A1International Business Machines Corporation
- Apparatus and method for controlling transportation of tape medium26 Nov 2015US 2015/0340056 A1International Business Machines Corporation
Most cited
By later US patents
- Signal reproduction apparatus including touched state pattern recognition speed control82US 4,719,524 ASony Corporation · 1988
- Tape stop detecting mechanism24US 4,238,808 ATokyo Shibaura Denki Kabushiki Kaisha · 1980
- Information signal reproducing apparatus with track pitch discriminating function22US 4,760,474 ACanon Kabushiki Kaisha · 1988
- Mode changing apparatus19US 4,547,823 ASony Corporation · 1985
- Cassette tape recorder18US 4,021,856 AOlympus Optical Co., Ltd. · 1977