Patents-Review.com
ClassID:

197960 ⎘

G11B5/735 - CPC Classification

Classification description:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Record carriers characterised by the selection of the material; Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer

Recent Application in this class:
#1
20240203451
2024-06-20

Magnetic tape having characterized magnetic layer, magnetic tape cartridge, and magnetic tape apparatus

 #2
20240013807
2024-01-11

MAGNETIC TAPE APPARATUS, MAGNETIC TAPE, AND MAGNETIC TAPE CARTRIDGE

 #3
20230402060
2023-12-14

Magnetic recording medium having characterized magnetic layer, magnetic tape cartridge, and magnetic recording and reproducing device

 #4
20230245680
2023-08-03

MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE DEVICE

 #5
20220076699
2022-03-10

Magnetic recording medium

 #6
20210383826
2021-12-09

Recording device, reading device, recording method, recording program, reading method, reading program, and magnetic tape

 #7
20210358521
2021-11-18

Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device

 #8
20210335387
2021-10-28

Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device

 #9
20210295868
2021-09-23

Magnetic recording medium

 #10
20210241795
2021-08-05

Magnetic tape with characterized servo bands, magnetic tape cartridge, and magnetic tape apparatus

 #11
20210233564
2021-07-29

Magnetic recording medium, magnetic recording and reproducing apparatus, magnetic tape cartridge, and magnetic tape cartridge group

 #12
20210201945
2021-07-01

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

 #13
20210174829
2021-06-10

Magnetic recording medium, magnetic signal reproduction device and method of manufacturing magnetic recording medium

 #14
20210056991
2021-02-25

MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RECORDING AND REPRODUCING APPARATUS

 #15
20210043228
2021-02-11

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DEVICE

 #16
20210043227
2021-02-11

Magnetic recording medium, magnetic recording and reproducing device, and e-iron oxide powder

 #17
20210020196
2021-01-21

Magnetic recording medium having controlled dimensional variation

 #18
20210020195
2021-01-21

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

 #19
20200411043
2020-12-31

Magnetic recording medium having controlled dimensional variation

 #20
20200302964
2020-09-24

Single reel magnetic tape cartridge with predefined tape width difference and servo band interval difference

 #21
20200302963
2020-09-24

Single reel magnetic tape cartridge with predefined servo band interval difference

 #22
20200279580
2020-09-03

Magnetic recording medium having characterized magnetic layer, and magnetic recording and reproducing apparatus

 #23
20200273490
2020-08-27

Magnetic recording medium and magnetic recording and reproducing apparatus

 #24
20200251139
2020-08-06

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

 #25
20200243111
2020-07-30

Single reel magnetic tape cartridge with pre-defined tape width difference

 #26
20200243110
2020-07-30

Magnetic tape having servo pattern and characterized magnetic layer, and magnetic tape device

 #27
20200227083
2020-07-16

Hexagonal strontium ferrite powder, magnetic recording medium, and magnetic recording and reproducing apparatus

 #28
20200126588
2020-04-23

Magnetic recording medium having controlled protrusion characteristics

 #29
20200035265
2020-01-30

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

 #30
20190378540
2019-12-12

Magnetic recording medium having a dimensional variation

 #31
20190295589
2019-09-26

Magnetic tape and magnetic tape device

 #32
20190295588
2019-09-26

Magnetic tape and magnetic tape device

 #33
20190295587
2019-09-26

Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device

 #34
20190295586
2019-09-26

Magnetic tape having servo pattern and characterized magnetic layer, and magnetic tape device

 #35
20190295581
2019-09-26

Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device

 #36
20190287562
2019-09-19

Coating-type magnetic recording medium for heat-assisted recording, and heat-assisted magnetic recording apparatus and heat-assisted magnetic recording method using the same

 #37
20190259417
2019-08-22

Single reel magnetic tape cartridge with pre-defined tape width difference

 #38
20190143637
2019-05-16

Magnetic recording medium, laminate, and flexible device

 #39
20190103135
2019-04-04

Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device

 #40
20190103131
2019-04-04

Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device

 #41
20190103130
2019-04-04

Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device

 #42
20190027180
2019-01-24

Magnetic tape having characterized magnetic layer

 #43
20190027179
2019-01-24

Magnetic recording medium having characterized magnetic layer

 #44
20190027178
2019-01-24

Magnetic recording medium having characterized magnetic layer

 #45
20190027175
2019-01-24

Magnetic tape having characterized magnetic layer

 #46
20190027174
2019-01-24

Magnetic tape having characterized magnetic layer

 #47
20190027172
2019-01-24

Magnetic tape having characterized magnetic layer and magnetic tape device

 #48
20190027171
2019-01-24

Magnetic tape having characterized magnetic layer and magnetic tape device

 #49
20180374506
2018-12-27

Magnetic tape

 #50
20180240494
2018-08-23

Magnetic tape having characterized back coating and magnetic layers

 #51
20180240492
2018-08-23

Magnetic tape having characterized back coating layer

 #52
20180240488
2018-08-23

Magnetic tape having characterized back coating layer

 #53
20180108375
2018-04-19

Magnetic recording medium having a protective layer

 #54
20170372741
2017-12-28

Magnetic tape having characterized back coating layer

 #55
20170372740
2017-12-28

Magnetic tape including characterized magnetic layer and magnetic tape device

 #56
20170372738
2017-12-28

Magnetic tape having characterized magnetic layer and hexagonal ferrite powder

 #57
20170372737
2017-12-28

Magnetic tape having controlled surface properties of the back coating layer and magnetic layer

 #58
20170348164
2017-12-07

Substrates having improved crockfastness

 #59
20170249965
2017-08-31

Magnetic tape

 #60
20170249964
2017-08-31

Magnetic tape

 #61
20170249963
2017-08-31

Magnetic tape

 #62
20170221517
2017-08-03

Magnetic tape having characterized backcoat layer and method of manufacturing the same

 #63
20170221516
2017-08-03

Magnetic tape having characterized backcoat layer and method of manufacturing the same

 #64
20170053671
2017-02-23

Magnetic tape having controlled surface properties of the backcoat layer and method of manufacturing the same

 #65
20170032812
2017-02-02

Magnetic tape and method of manufacturing the same

 #66
20160351224
2016-12-01

Aluminum alloy plate for magnetic disc substrate, method for manufacturing same, and method for manufacturing magnetic disc

 #67
20160322076
2016-11-03

Magnetic tape and magnetic signal reproducing device

 #68
20160247530
2016-08-25

Magnetic tape and method of manufacturing the same

 #69
20160189739
2016-06-30

Magnetic tape and method of manufacturing the same

 #70
20160166446
2016-06-16

Substrates having improved crockfastness

 #71
20160064024
2016-03-03

MAGNETIC TAPE

 #72
20150199989
2015-07-16

GLASS SUBSTRATE FOR MAGNETIC DISK AND MANUFACTURING METHOD THEREOF

 #73
20150056474
2015-02-26

MAGNETIC TAPE, ITS CLEANING METHOD, AND OPTICAL SERVOTRACK FORMING/CLEANING APPARATUS

 #74
20140355156
2014-12-04

Perpendicular magnetic recording media having novel magnetic under-layer structure

 #75
20140309608
2014-10-16

Substrates having improved crockfastness

 #76
20140302346
2014-10-09

Glass for use as substrate for information recording medium, substrate for information recording medium and information recording medium, and their production methods

 #77
20140223964
2014-08-14

Glass substrate for magnetic disk and manufacturing method thereof

 #78
20140050912
2014-02-20

GLASS SUBSTRATE FOR MAGNETIC DISK AND METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK

 #79
20130316194
2013-11-28

Manufacturing method of glass blank for magnetic disk, manufacturing method of glass substrate for magnetic disk, glass blank for magnetic disk, glass substrate for magnetic disk, and magnetic disk

 #80
20130029183
2013-01-31

CARBON BLACK COMPOSITION AND USAGE THEREOF

 #81
20120232509
2012-09-13

Substrates having improved crockfastness

 #82
20120177949
2012-07-12

Glass substrate for information recording medium, information recording medium and method of manufacturing glass substrate for information recording medium

 #83
20110274947
2011-11-10

Magnetic recording medium

 #84
20100143751
2010-06-10

MAGNETIC RECORDING MEDIA HAVING LOW BROADBAND NOISE

 #85
20100081011
2010-04-01

MAGNETIC RECORDING MEDIUM

 #86
20090168265
2009-07-02

Magnetic recording medium, magnetic signal reproduction system and magnetic signal reproduction method

 #87
20080107921
2008-05-08

MAGNETIC TAPE AND MAGNETIC TAPE CARTRIDGE

 #88
20080057351
2008-03-06

Magnetic recording medium

 #89
20070159722
2007-07-12

Magnetic recording medium using magnetic powder having a core portion and an outer layer portion including a rare earth element and magnetic recording cassette

 #90
20070037019
2007-02-15

Purified polyurethane crosslinking agents and magnetic recording media having at least one coating containing a purified polyisocyanate crosslinking agent

 #91
20070009769
2007-01-11

Magnetic recording medium

 #92
20060263644
2006-11-23

Magnetic recording medium with backside to decrease recording surface embossment

 #93
20060159963
2006-07-20

Magnetic recording medium having low broadband noise

 #94
20060019123
2006-01-26

Magnetic recording medium

 #95
20050276999
2005-12-15

Magnetic recording medium using magnetic powder having a core portion and an outer layer portion including a rare earth element and magnetic recording cassette

 #96
20050259342
2005-11-24

Magnetic recording and reproducing method and magnetic recording medium for the method

 #97
20050181241
2005-08-18

Magnetic recording medium having narrow pulse width characteristics

 #98
20050170216
2005-08-04

Magnetic recording tape

 #99
20050170213
2005-08-04

Magnetic recording medium

 #100
20050129983
2005-06-16

Magnetic recording medium having a backside coating dispersion

 #101
20050105210
2005-05-19

Magnetic tape cartridge and recorder/reproducer a magnetic tape cartridge

 #102
20050089724
2005-04-28

Dual-layer data storage media having differing binder systems in each layer

 #103
20050025998
2005-02-03

Data storage media having a sublayer containing a pigment combination having balanced pigment weight ratios