G11B 2220/40
Combinations of multiple record carriers
G11B2220/40 (Combinations of multiple record carriers) appears on 2,043 US grants and 1,718 published applications in this corpus.
Search patents in G11B- Granted patents
- 2,043
- Published applications
- 1,718
- Assignees
- 414
- Inventors
- 2,642
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 12 | 0 |
| 1988 | 8 | 0 |
| 1989 | 11 | 0 |
| 1990 | 17 | 0 |
| 1991 | 14 | 0 |
| 1992 | 13 | 0 |
| 1993 | 24 | 0 |
| 1994 | 29 | 0 |
| 1995 | 33 | 0 |
| 1996 | 48 | 0 |
| 1997 | 49 | 0 |
| 1998 | 59 | 0 |
| 1999 | 58 | 0 |
| 2000 | 67 | 0 |
| 2001 | 78 | 49 |
| 2002 | 86 | 175 |
| 2003 | 101 | 115 |
| 2004 | 80 | 157 |
| 2005 | 67 | 162 |
| 2006 | 92 | 197 |
| 2007 | 115 | 122 |
| 2008 | 90 | 93 |
| 2009 | 96 | 119 |
| 2010 | 107 | 80 |
| 2011 | 219 | 205 |
| 2012 | 87 | 56 |
| 2013 | 136 | 45 |
| 2014 | 71 | 29 |
| 2015 | 37 | 32 |
| 2016 | 38 | 23 |
| 2017 | 23 | 15 |
| 2018 | 7 | 13 |
| 2019 | 19 | 5 |
| 2020 | 5 | 4 |
| 2021 | 4 | 5 |
| 2022 | 4 | 3 |
| 2023 | 4 | 7 |
| 2024 | 6 | 4 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Recording and reproducing apparatus and method thereof26 Aug 2025US 12,400,685 B2Maxell, Ltd.
- Digital jukebox device with improved user interfaces, and associated methods24 Dec 2024US 12,177,949 B2TouchTunes Music Corporation
- Digital jukebox device with improved user interfaces, and associated methods10 Sep 2024US 12,089,305 B2TouchTunes Music Corporation
- Digital jukebox device with improved user interfaces, and associated methods6 Aug 2024US 12,058,790 B2TouchTunes Music Corporation
- Recording and reproducing apparatus and method thereof2 Apr 2024US 11,948,605 B2Maxell, Ltd.
- Recording and reproducing apparatus and method thereof20 Nov 2025US 2025/0356882 A1Maxell, Ltd.
- Digital Jukebox Device with Improved User Interfaces, and Associated Methods20 Mar 2025US 2025/0098044 A1TouchTunes Music Corporation
- Digital jukebox device with improved user interfaces, and associated methods6 Mar 2025US 2025/0081305 A1TouchTunes Music Corporation
- Digital jukebox device with improved user interfaces, and associated methods7 Nov 2024US 2024/0373526 A1TouchTunes Music Corporation
- Composite hard disk drive12 Sep 2024US 2024/0304212 A1
Most cited
By later US patents
- System of device independent file directories using a tag between the directories and file descriptors that migrate with the files1,137US 5,333,315 ADigital Equipment Corporation · 1994
- Television schedule system1,133US 5,353,121 AStarsight Telecast, Inc. · 1994
- Multimedia time warping system1,079US 6,233,389 B1TiVo Inc. · 2001
- System and process for VCR scheduling1,066US 4,977,455 AInsight Telecast, Inc. · 1990
- Video communications system having a remotely controlled central source of video and audio data1,037US 4,949,187 A1990