ClassID:

198150

G11B7/24027 - CPC Classification

Classification description:

Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor; Record carriers characterised by shape, structure or physical properties, or by the selection of the material; Laminated discs Layers; Shape, structure or physical properties thereof

Recent Application in this class:
#1
20250342857
2025-11-06

OPTICAL INFORMATION STORAGE MEDIUM

#2
20240161779
2024-05-16

Method of producing multilayer optical recording medium and device for producing multilayer optical recording medium

#3
20240055020
2024-02-15

OPTICAL STORAGE MEDIUM

#4
20230018411
2023-01-19

Optical recording medium

#5
20220415351
2022-12-29

Optical storage medium

#6
20220068306
2022-03-03

OPTICAL INFORMATION STORAGE MEDIUM

#7
20190214048
2019-07-11

Optical information storage medium

#8
20160336035
2016-11-17

Optical information storage medium

#9
20160078891
2016-03-17

Glass substrate for information recording medium and method for manufacturing the same

#10
20150279411
2015-10-01

Optical recording medium and manufacturing method of the same

#11
20150036473
2015-02-05

Optical information recording medium

#12
20140234667
2014-08-21

Glass substrate for information recording medium and method for manufacturing the same

#13
20140153375
2014-06-05

OPTICAL INFORMATION RECORDING MEDIUM, METHOD FOR MANUFACTURING SAME AND RECORDING METHOD FOR OPTICAL INFORMATION RECORDING MEDIUM

#14
20140133285
2014-05-15

Recording medium, optical information device and method for producing recording medium

#15
20130216758
2013-08-22

Optional disk and method for manufacturing the same

#16
20130189543
2013-07-25

Optical recording medium

#17
20130189494
2013-07-25

Optical information recording medium

#18
20130139190
2013-05-30

PATTERN TRANSFER MEDIUM MANUFACTURING APPARATUS, PATTERN TRANSFER MEDIUM MANUFACTURING METHOD, DISC-SHAPED PATTERN TRANSFER MEDIUM, AND PATTERN TRANSFER MEDIUM

#19
20130071653
2013-03-21

Information recording medium and method for producing same

#20
20120188864
2012-07-26

Recording medium and reproducing apparatus

#21
20110165824
2011-07-07

Glass substrate for information recording medium and method for manufacturing the same

#22
20100189949
2010-07-29

Optical disk and method for manufacturing the same

#23
20080279078
2008-11-13

Split Disc Optical Storage Medium and Device

#24
20070166506
2007-07-19

Optical disk and method for manufacturing the same

#25
20060062129
2006-03-23

Glass substrate for information recording medium and method for manufacturing same