G11B 15/32
Through the reels or cores on to which the record carrier is
Official title: through the reels or cores on to which the record carrier is wound
G11B15/32 (Through the reels or cores on to which the record carrier is) appears on 343 US grants and 106 published applications in this corpus.
Search patents in G11B- Granted patents
- 343
- Published applications
- 106
- Assignees
- 106
- Inventors
- 488
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 5 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 20 | 0 |
| 1990 | 12 | 0 |
| 1991 | 18 | 0 |
| 1992 | 5 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 14 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 4 |
| 2002 | 5 | 5 |
| 2003 | 8 | 8 |
| 2004 | 4 | 5 |
| 2005 | 3 | 3 |
| 2006 | 4 | 5 |
| 2007 | 6 | 3 |
| 2008 | 4 | 8 |
| 2009 | 3 | 6 |
| 2010 | 4 | 3 |
| 2011 | 3 | 1 |
| 2012 | 3 | 3 |
| 2013 | 6 | 9 |
| 2014 | 8 | 6 |
| 2015 | 5 | 5 |
| 2016 | 3 | 3 |
| 2017 | 5 | 1 |
| 2018 | 2 | 3 |
| 2019 | 5 | 4 |
| 2020 | 6 | 2 |
| 2021 | 7 | 6 |
| 2022 | 7 | 2 |
| 2023 | 2 | 5 |
| 2024 | 4 | 4 |
| 2025 | 2 | 1 |
| 2026 | 3 | 1 |
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
- Magnetic tape control system and magnetic tape control device3 Feb 2026US 12,542,152 B2FUJIFILM Corporation
- High capacity captive tape drive6 Jan 2026US 12,518,788 B2Western Digital Technologies, Inc.
- Tape reel with reel hub having expanding outer peripheral regions, tape cartridge, and apparatus for producing tape reel3 Jun 2025US 12,322,415 B2Sony Group Corporation
- Methods for improving track density in dual-reel removable tape devices and fixed tape devices11 Mar 2025US 12,249,350 B2Western Digital Technologies, Inc.
- Tape drive, tape, and storage system19 Mar 2026US 2026/0080902 A1Huawei Technologies Co., Ltd.
- Enhanced dynamic braking algorithm for tape storage device16 Jan 2025US 2025/0022484 A1International Business Machines Corporation
- Methods for Improving Track Density in Dual-Reel Removable Tape Devices and Fixed Tape Devices26 Dec 2024US 2024/0428823 A1Western Digital Technologies, Inc.
- High Capacity Captive Tape Drive19 Dec 2024US 2024/0420736 A1Western Digital Technologies, Inc.
- Methods for increasing storage capacity and improving performance in dual-reel removable tape devices and fixed tape devices25 Jul 2024US 2024/0249747 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Turntable apparatus37US 3,988,024 ATokyo Shibaura Electric Co., Ltd. · 1976
- Door actuated message device33US 4,100,581 A1978
- Method and apparatus for generating, storing, reproducing, and displaying image information30US 5,177,645 A1993
- Capstanless helical drive system29US 5,602,694 AExabyte Corporation · 1997
- Tape deck with non-contacting unidirectional rotation sensor configured to prevent capstan tape windup27US 4,494,712 AFord Motor Company · 1985