Patents-Review.com
ClassID:

197945 ⎘

G11B5/71 - 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 comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the lubricant

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

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

 #2
20240105228
2024-03-28

Magnetic tape having characterized magnetic layer surface, magnetic tape cartridge, and magnetic tape device

 #3
20240096367
2024-03-21

Magnetic tape having characterized magnetic layer surface, magnetic tape cartridge, and magnetic tape device

 #4
20230368814
2023-11-16

Magnetic recording medium and cartridge

 #5
20230360671
2023-11-09

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

 #6
20230274764
2023-08-31

Magnetic recording medium

 #7
20230104452
2023-04-06

Magnetic tape having characterized magnetic layer surface, magnetic tape cartridge, and magnetic tape device

 #8
20230103135
2023-03-30

Magnetic tape having characterized magnetic layer surface, magnetic tape cartridge, and magnetic tape device

 #9
20230101868
2023-03-30

Magnetic tape having controlled water contact angle ratio, magnetic tape cartridge, and magnetic tape apparatus

 #10
20230042175
2023-02-09

Magnetic recording medium and cartridge

 #11
20220270642
2022-08-25

Magnetic recording medium, cartridge, and recording and reproducing device

 #12
20220208227
2022-06-30

Magnetic recording medium

 #13
20220165303
2022-05-26

Magnetic recording medium, magnetic recording/reproducing device, and magnetic recording medium cartridge

 #14
20220165302
2022-05-26

Magnetic recording medium

 #15
20220165301
2022-05-26

Magnetic recording medium, tape cartridge, and data processing method

 #16
20210390980
2021-12-16

Tape media having synergistic magnetic recording layer and underlayer

 #17
20210383826
2021-12-09

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

 #18
20210358521
2021-11-18

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

 #19
20210335387
2021-10-28

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

 #20
20210090599
2021-03-25

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

 #21
20210056992
2021-02-25

Process for forming magnetic recording layer for tape media

 #22
20210012800
2021-01-14

Magnetic recording medium

 #23
20200312362
2020-10-01

Magnetic recording medium including compound having a salt structure and magnetic recording and reproducing apparatus

 #24
20200279580
2020-09-03

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

 #25
20200251141
2020-08-06

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

 #26
20200251140
2020-08-06

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

 #27
20200148820
2020-05-14

(Per)fluoropolyether polymers

 #28
20200126589
2020-04-23

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

 #29
20200079902
2020-03-12

(Per)fluoropolyether polymers

 #30
20200005820
2020-01-02

Apparatus capable of determining deviation amount between magnetic head and magnetic tape based on reading servo pattern

 #31
20190304496
2019-10-03

Magnetic recording medium, manufacturing method of particles of epsilon type iron oxide-based compound, and manufacturing method of magnetic recording medium

 #32
20190295587
2019-09-26

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

 #33
20190295581
2019-09-26

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

 #34
20190103135
2019-04-04

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

 #35
20190103134
2019-04-04

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

 #36
20190103133
2019-04-04

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

 #37
20190103131
2019-04-04

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

 #38
20190088278
2019-03-21

Magnetic tape device and head tracking servo method

 #39
20190051325
2019-02-14

Magnetic tape device, magnetic reproducing method, and head tracking servo method

 #40
20190027181
2019-01-24

Magnetic tape having characterized magnetic layer

 #41
20190027180
2019-01-24

Magnetic tape having characterized magnetic layer

 #42
20190027179
2019-01-24

Magnetic recording medium having characterized magnetic layer

 #43
20190027178
2019-01-24

Magnetic recording medium having characterized magnetic layer

 #44
20190027175
2019-01-24

Magnetic tape having characterized magnetic layer

 #45
20190027174
2019-01-24

Magnetic tape having characterized magnetic layer

 #46
20190027172
2019-01-24

Magnetic tape having characterized magnetic layer and magnetic tape device

 #47
20190027168
2019-01-24

Magnetic recording medium having characterized magnetic layer

 #48
20190027167
2019-01-24

Magnetic recording medium having characterized magnetic layer

 #49
20180301165
2018-10-18

Magnetic tape having a characterized magnetic layer and method of manufacturing the same

 #50
20180286443
2018-10-04

Magnetic tape having characterized magnetic layer

 #51
20180240494
2018-08-23

Magnetic tape having characterized back coating and magnetic layers

 #52
20180240491
2018-08-23

Magnetic tape having characterized magnetic layer

 #53
20180240490
2018-08-23

Magnetic tape having characterized magnetic layer

 #54
20180240475
2018-08-23

Magnetic tape having characterized magnetic layer

 #55
20180233168
2018-08-16

Heat-assisted removal of head contamination

 #56
20180233166
2018-08-16

Heat-assisted removal of head contamination

 #57
20180226094
2018-08-09

Ionic Liquid, Lubricant, and Magnetic Recording Medium

 #58
20180182431
2018-06-28

Magnetic tape device and head tracking servo method

 #59
20170372744
2017-12-28

Magnetic tape including characterized magnetic layer and magnetic tape device

 #60
20170372743
2017-12-28

Magnetic tape having characterized magnetic layer and magnetic tape device

 #61
20170372740
2017-12-28

Magnetic tape including characterized magnetic layer and magnetic tape device

 #62
20170372739
2017-12-28

Magnetic tape including characterized magnetic layer

 #63
20170372726
2017-12-28

Magnetic tape having characterized magnetic layer and magnetic tape device

 #64
20170358318
2017-12-14

Magnetic tape having characterized magnetic layer and magnetic tape device

 #65
20170287518
2017-10-05

Magnetic recording medium having specified polyester resin additive and magnetic recording medium composition

 #66
20170249964
2017-08-31

Magnetic tape

 #67
20170249963
2017-08-31

Magnetic tape

 #68
20170178676
2017-06-22

Magnetic tape including characterized magnetic layer, tape cartridge, recording and reproducing device, and method of manufacturing

 #69
20170032812
2017-02-02

Magnetic tape and method of manufacturing the same

 #70
20160322076
2016-11-03

Magnetic tape and magnetic signal reproducing device

 #71
20160189740
2016-06-30

Magnetic tape and method of manufacturing the same

 #72
20160189739
2016-06-30

Magnetic tape and method of manufacturing the same

 #73
20160180875
2016-06-23

Magnetic recording medium

 #74
20160093323
2016-03-31

Magnetic tape and method of manufacturing the same

 #75
20160064025
2016-03-03

MAGNETIC RECORDING MEDIUM

 #76
20160064024
2016-03-03

MAGNETIC TAPE

 #77
20120134053
2012-05-31

Magnetic recording medium and magnetic signal reproduction method

 #78
20120045664
2012-02-23

Magnetic recording medium

 #79
20110237488
2011-09-29

Solvent compositions comprising unsaturated fluorinated hydrocarbons

 #80
20110041878
2011-02-24

Solvent Compositions Comprising Unsaturated Fluorinated Hydrocarbons

 #81
20100247971
2010-09-30

Lubricant composition, magnetic recording medium, and novel polyether compound

 #82
20100189885
2010-07-29

Solvent compositions comprising unsaturated fluorinated hydrocarbons

 #83
20100152093
2010-06-17

Solvent compositions comprising unsaturated fluorinated hydrocarbons

 #84
20100046117
2010-02-25

MAGNETIC RECORDING MEDIUM AND METHOD OF PRODUCING THE SAME

 #85
20090142622
2009-06-04

MAGNETIC RECORDING MEDIUM

 #86
20090087689
2009-04-02

MAGNETIC RECORDING MEDIUM

 #87
20090087685
2009-04-02

MAGNETIC RECORDING MEDIUM

 #88
20090075123
2009-03-19

LUBRICANT FOR THIN FILM STORAGE MEDIA

 #89
20090027812
2009-01-29

MAGNETIC SIGNAL REPRODUCTION SYSTEM AND MAGNETIC SIGNAL REPRODUCTION METHOD

 #90
20080297950
2008-12-04

Magnetic signal reproduction system employing a spin-valve MR head developed for high-density recording and a spin-valve MR head and magnetic signal reproduction method for reproducing magnetic signals in which a spin-valve MR head is employed

 #91
20080241599
2008-10-02

CARBONIC ACID ESTER AND MAGNETIC RECORDING MEDIUM

 #92
20080020243
2008-01-24

CARBONIC ACID ESTER, PRODUCTION PROCESS THEREFOR, AND MAGNETIC RECORDING MEDIUM

 #93
20070105738
2007-05-10

Solvent compositions comprising unsaturated fluorinated hydrocarbons

 #94
20070102021
2007-05-10

Solvent compositions comprising unsaturated fluorinated hydrocarbons

 #95
20070100011
2007-05-03

Blowing agents for forming foam comprising unsaturated fluorocarbons

 #96
20070100009
2007-05-03

Methods for making foams using blowing agents comprising unsaturated fluorocarbons

 #97
20060110627
2006-05-25

Backside coating formulation for magnetic recording tape having residual compressibility

 #98
20050282044
2005-12-22

Lubricant, recording medium and carboxylic acid compound

 #99
20050271903
2005-12-08

Magnetic tape

 #100
20050123855
2005-06-09

Thermally stable perfluoropolyether lubricant for recording media

 #101
20050025998
2005-02-03

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

 #102
15854507
2018-05-29

Magnetic tape device and head tracking servo method