G11B 5/845
In a magnetic field
Official title: in a magnetic field
G11B5/845 (In a magnetic field) appears on 109 US grants and 23 published applications in this corpus.
Search patents in G11B- Granted patents
- 109
- Published applications
- 23
- Assignees
- 44
- Inventors
- 223
- Latest grant
- 29 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 5 |
| 2019 | 1 | 0 |
| 2020 | 5 | 3 |
| 2021 | 1 | 1 |
| 2022 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic recording medium and magnetic recording and reproducing device29 Nov 2022US 11,514,940 B2FUJIFILM Corporation
- Magnetic tape with particular refractive index characteristics, magnetic tape cartridge, and magnetic tape apparatus13 Sep 2022US 11,443,766 B2FUJIFILM Corporation
- Magnetic tape with particular refractive index characteristics, magnetic tape cartridge, and magnetic tape apparatus23 Aug 2022US 11,423,935 B2FUJIFILM Corporation
- Orientation device, production method for magnetic recording medium, and magnetic recording medium3 May 2022US 11,322,177 B2Sony Corporation
- Fractionation method for magnetic recording-magnetic powder, fractionation apparatus for magnetic recording-magnetic powder, and method of producing magnetic recording medium25 May 2021US 11,017,808 B2Sony Corporation
- Magnetic tape with particular refractive index characteristics, magnetic tape cartridge, and magnetic tape apparatus9 Sep 2021US 2021/0280212 A1FUJIFILM Corporation
- Orientation device, production method for magnetic recording medium, and magnetic recording medium24 Dec 2020US 2020/0402533 A1Sony Corporation
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus2 Jul 2020US 2020/0211592 A1FUJIFILM Corporation
- Magnetic recording medium and magnetic recording and reproducing device19 Mar 2020US 2020/0090694 A1FUJIFILM Corporation
- Fractionation method for magnetic recording-magnetic powder, fractionation apparatus for magnetic recording-magnetic powder, and method of producing magnetic recording medium25 Oct 2018US 2018/0308516 A1Sony Corporation
Most cited
By later US patents
- Magnetic recording medium and method for producing the same168US 5,474,814 AFuji Photo Film Co., Ltd. · 1995
- Longitudinal magnetic coated recording medium113US 4,746,569 AFujitsu Limited · 1988
- Magnetic recording medium comprising two magnetic layers of hexagonal ferrite magnetic particles and binder wherein the easy axes of the particle is specified111US 5,419,938 ATDK Corporation · 1995
- Method and apparatus for manufacturing magnetic recording medium111US 6,261,647 B1Fuji Photo Film Co., Ltd. · 2001
- Coated substrate drying system96US 5,694,701 AMinnesota Mining and Manufacturing Company · 1997