G11B 23/00
Record carriers not specific to the method of recording or reproducing
Official title: Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus {; Intermediate mediums; Apparatus or processes specially adapted for their manufacture (processes involving a single technical art and for which provision exists elsewhere, see the relevant class, e.g. B29, B41M, B05D, C08L, F16N)}
G11B23/00 (Record carriers not specific to the method of recording or reproducing) appears on 9,169 US grants and 3,712 published applications in this corpus.
Search patents in G11B- Granted patents
- 9,169
- Published applications
- 3,712
- Assignees
- 1,468
- Inventors
- 10,186
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 107 | 0 |
| 1977 | 110 | 0 |
| 1978 | 132 | 0 |
| 1979 | 93 | 0 |
| 1980 | 123 | 0 |
| 1981 | 148 | 0 |
| 1982 | 146 | 0 |
| 1983 | 175 | 0 |
| 1984 | 202 | 0 |
| 1985 | 207 | 0 |
| 1986 | 228 | 0 |
| 1987 | 293 | 0 |
| 1988 | 291 | 0 |
| 1989 | 326 | 0 |
| 1990 | 232 | 0 |
| 1991 | 243 | 0 |
| 1992 | 248 | 0 |
| 1993 | 265 | 0 |
| 1994 | 283 | 0 |
| 1995 | 248 | 0 |
| 1996 | 259 | 0 |
| 1997 | 252 | 0 |
| 1998 | 376 | 0 |
| 1999 | 352 | 0 |
| 2000 | 343 | 0 |
| 2001 | 343 | 143 |
| 2002 | 324 | 401 |
| 2003 | 316 | 438 |
| 2004 | 299 | 434 |
| 2005 | 275 | 454 |
| 2006 | 277 | 360 |
| 2007 | 247 | 311 |
| 2008 | 229 | 261 |
| 2009 | 199 | 166 |
| 2010 | 165 | 103 |
| 2011 | 147 | 80 |
| 2012 | 94 | 49 |
| 2013 | 78 | 66 |
| 2014 | 65 | 48 |
| 2015 | 49 | 42 |
| 2016 | 36 | 24 |
| 2017 | 28 | 21 |
| 2018 | 31 | 25 |
| 2019 | 38 | 24 |
| 2020 | 26 | 38 |
| 2021 | 42 | 48 |
| 2022 | 47 | 33 |
| 2023 | 38 | 54 |
| 2024 | 35 | 51 |
| 2025 | 38 | 18 |
| 2026 | 21 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G11B 23/02Containers5,975
- G11B 23/38Visual features other than those contained in record tracks or represented by889
- G11B 23/50Reconditioning of record carriers880
- G11B 23/0014Record carriers not specifically of filamentary or web form849
- G11B 23/28Indicating or preventing prior or unauthorised use774
- G11B 23/30Record carriers not specific to the method of recording or reproducing: with439
- G11B 23/20Record carriers not specific to the method of recording or reproducing: with253
- G11B 23/0057Intermediate mediums, i.e. mediums provided with an information structure not specific to174
All 12 subgroupsShow fewer
Recent patents
- Magnetic disk device and control method29 Sep 2026US 12,749,508 B1Kabushiki Kaisha Toshiba
- Magnetic recording tape medium with conductive particle configuration and cartridge8 Sep 2026US 12,731,609 B2Sony Group Corporation
- Work cleaning device and cleaning method18 Aug 2026US 12,711,991 B2NHK Spring Co., Ltd.
- Method for producing ring-shaped object, film-forming device, ring-shaped object, and hard disk drive device9 Jun 2026US 12,649,687 B2Hoya Corporation
- Servo pattern recording head, servo pattern recording device, magnetic tape, magnetic tape cartridge, magnetic tape drive, magnetic tape system, and manufacturing method of magnetic tape9 Jun 2026US 12,651,609 B2FUJIFILM Corporation
- Record support plate, record jacket, and record product24 Sep 2026US 2026/0290398 A1P-Vine, Inc.
- External data storage device17 Sep 2026US 2026/0282246 A1SK hynix Inc.
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus27 Aug 2026US 2026/0253611 A1FUJIFILM Corporation
- Magnetic recording medium13 Aug 2026US 2026/0237402 A1Sony Group Corporation
- Magnetic recording medium6 Aug 2026US 2026/0229252 A1Sony Group Corporation
Most cited
By later US patents
- Interface apparatus operable by using floppy disk drive1,366US 6,256,688 B1Casio Computer Co., Ltd. · 2001
- TV recording and viewing control system876US 5,253,066 A1993
- Apparatus and method for tracking the playing of VCR programs447US 5,488,409 A1996
- Method and apparatus for improved fingerprinting and authenticating various magnetic media361US 5,740,244 AWashington University · 1998
- Compact disc recorder/vending machine267US 5,949,688 A1999