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G11B 5/70689

Magnetite

Official title: {Magnetite}

G11B5/70689 (Magnetite) appears on 41 US grants and 9 published applications in this corpus.

Search patents in G11B

Granted patents: 41
Published applications: 9
Assignees: 24
Inventors: 103
Latest grant: 12 Dec 2023

Filings by year

G11B 5/70689: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	1	0
1977	3	0
1978	6	0
1979	2	0
1980	0	0
1981	4	0
1982	1	0
1983	1	0
1984	0	0
1985	0	0
1986	1	0
1987	0	0
1988	0	0
1989	2	0
1990	0	0
1991	1	0
1992	1	0
1993	0	0
1994	0	0
1995	1	0
1996	1	0
1997	4	0
1998	1	0
1999	2	0
2000	1	0
2001	0	1
2002	0	0
2003	0	0
2004	0	0
2005	0	0
2006	0	0
2007	0	1
2008	0	1
2009	0	0
2010	1	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	0
2016	0	0
2017	0	0
2018	0	0
2019	0	0
2020	0	2
2021	2	2
2022	4	1
2023	1	1

By publication year. Applications have been published since 2001.

Recent patents

Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device12 Dec 2023US 11,842,756 B2FUJIFILM Corporation
Magnetic recording medium8 Nov 2022US 11,495,258 B2Sony Group Corporation
Magnetic tape with particular refractive index characteristics, magnetic tape cartridge, and magnetic tape apparatus13 Sep 2022US 11,443,766 B2FUJIFILM Corporation
Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus30 Aug 2022US 11,430,478 B2FUJIFILM Corporation
Magnetic tape with particular refractive index characteristics, magnetic tape cartridge, and magnetic tape apparatus23 Aug 2022US 11,423,935 B2FUJIFILM Corporation

Most cited

By later US patents