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G11B 5/70668

Containing a dopant

Official title: {containing a dopant}

G11B5/70668 (Containing a dopant) appears on 80 US grants and 13 published applications in this corpus.

Search patents in G11B

Granted patents: 80
Published applications: 13
Assignees: 36
Inventors: 171
Latest grant: 6 Jun 2023

Filings by year

G11B 5/70668: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	1	0
1977	5	0
1978	9	0
1979	3	0
1980	3	0
1981	1	0
1982	6	0
1983	3	0
1984	6	0
1985	2	0
1986	5	0
1987	2	0
1988	4	0
1989	6	0
1990	1	0
1991	4	0
1992	3	0
1993	3	0
1994	2	0
1995	0	0
1996	4	0
1997	1	0
1998	1	0
1999	1	0
2000	1	0
2001	0	0
2002	0	0
2003	0	0
2004	0	1
2005	0	1
2006	0	1
2007	1	0
2008	0	0
2009	0	0
2010	0	1
2011	0	0
2012	1	0
2013	0	0
2014	0	0
2015	0	0
2016	0	0
2017	0	0
2018	0	0
2019	0	0
2020	0	0
2021	0	9
2022	0	0
2023	1	0

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

G11B 5/70673Containing co65

Recent patents

Magnetic tape having characterized coefficient of variation of e-iron oxide powder particle size, magnetic tape cartridge, and magnetic recording and reproducing apparatus6 Jun 2023US 11,670,333 B2FUJIFILM Corporation
Spinel-type ferrimagnetic particles, process for producing the same, and magnetic recording medium using the same13 Mar 2012US 8,133,405 B2Toda Kogyo Corporation
Magnetic recording medium and method of manufacturing a magnetic recording medium10 Jul 2007US 7,241,518 B2Sony Corporation
Cobalt-containing iron oxide pigments, process for producing the same and magnetic recording medium containing the same27 Jun 2000US 6,080,233 AToda Kogyo Corporation
Magnetic recording medium7 Sep 1999US 5,948,522 AVerbatim Corporation

Most cited

By later US patents