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Shinya Narumi
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sputtering target and manufacturing method therefor, and recordable...
Patent number
8,124,212
Issue date
Feb 28, 2012
Ricoh Company, Ltd.
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Sputtering target and manufacturing method therefor, and recordable...
Patent number
7,897,535
Issue date
Mar 1, 2011
Ricoh Company, Ltd.
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Optical recording medium
Patent number
7,611,762
Issue date
Nov 3, 2009
Ricoh Company, Ltd.
Hiroshi Deguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording method of a phase-change optical recording medium...
Patent number
7,570,563
Issue date
Aug 4, 2009
Ricoh Company, Ltd.
Hajime Yuzurihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium, method of manufacturing the o...
Patent number
7,507,523
Issue date
Mar 24, 2009
Ricoh Company, Ltd.
Katsuyuki Yamada
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and device for recording optical data
Patent number
7,496,021
Issue date
Feb 24, 2009
Ricoh Company, Ltd.
Masaki Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
7,414,954
Issue date
Aug 19, 2008
Ricoh Company, Ltd.
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
7,411,887
Issue date
Aug 12, 2008
Ricoh Company, Ltd.
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium having relation between reflection layer a...
Patent number
7,352,680
Issue date
Apr 1, 2008
Ricoh Company, Ltd.
Katsuyuki Yamada
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording method, information recording device, optical...
Patent number
7,349,315
Issue date
Mar 25, 2008
Ricoh Company, Ltd.
Shinya Narumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium having protective and/or adhesive layers,...
Patent number
7,245,580
Issue date
Jul 17, 2007
Ricoh Company, Ltd.
Katsuyuki Yamada
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and device for recording optical data
Patent number
7,075,871
Issue date
Jul 11, 2006
Ricoh Company, Ltd.
Masaki Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium
Patent number
7,063,875
Issue date
Jun 20, 2006
Ricoh Company, Ltd.
Hiroshi Deguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
7,042,831
Issue date
May 9, 2006
Ricoh Company, Ltd.
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium having relation between reflection layer a...
Patent number
7,027,382
Issue date
Apr 11, 2006
Ricoh Company, Ltd.
Katsuyuki Yamada
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium and information recording meth...
Patent number
6,914,866
Issue date
Jul 5, 2005
Ricoh Company, Ltd.
Shinya Narumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
6,827,999
Issue date
Dec 7, 2004
Ricoh Company, Ltd.
Kazunori Ito
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
SPUTTERING TARGET AND MANUFACTURING METHOD THEREFOR, AND RECORDABLE...
Publication number
20110143075
Publication date
Jun 16, 2011
RICOH COMPANY, LTD.
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
RECORDABLE OPTICAL RECORDING MEDIUM AND RECORDING METHOD THEREOF
Publication number
20100020668
Publication date
Jan 28, 2010
RICOH COMPANY LTD.
Shinya Narumi
G11 - INFORMATION STORAGE
Information
Patent Application
WRITE-ONCE-READ-MANY OPTICAL RECORDING MEDIUM AND RECORDING METHOD...
Publication number
20100014394
Publication date
Jan 21, 2010
RICOH COMPANY, LTD.
Masayuki Fujiwara
G11 - INFORMATION STORAGE
Information
Patent Application
Dual-layer recordable optical recording medium
Publication number
20070237064
Publication date
Oct 11, 2007
Toshishige Fujii
G11 - INFORMATION STORAGE
Information
Patent Application
Sputtering target and manufacturing method therefor, and recordable...
Publication number
20070218239
Publication date
Sep 20, 2007
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Sputtering target and manufacturing method therefor, and optical re...
Publication number
20070114129
Publication date
May 24, 2007
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Optical recording medium
Publication number
20060291368
Publication date
Dec 28, 2006
Katsuyuki Yamada
G11 - INFORMATION STORAGE
Information
Patent Application
Phase change type optical information recording medium
Publication number
20060210760
Publication date
Sep 21, 2006
Shinya Narumi
G11 - INFORMATION STORAGE
Information
Patent Application
Method and device for recording optical data
Publication number
20060203678
Publication date
Sep 14, 2006
Masaki Kato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Phase-change optical recording medium, optical recording method, an...
Publication number
20060187789
Publication date
Aug 24, 2006
Hajime Yuzurihara
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium
Publication number
20060183052
Publication date
Aug 17, 2006
Hiroshi Deguchi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium
Publication number
20060136957
Publication date
Jun 22, 2006
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium and information recording meth...
Publication number
20060133258
Publication date
Jun 22, 2006
Katsuyuki Yamada
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium
Publication number
20060126486
Publication date
Jun 15, 2006
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium, manufacturing method of the same, and spu...
Publication number
20050254410
Publication date
Nov 17, 2005
Takeshi Kibe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Information recording method, information recording device, optical...
Publication number
20050078587
Publication date
Apr 14, 2005
Shinya Narumi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium
Publication number
20040190436
Publication date
Sep 30, 2004
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Application
Method of initializing phase change optical recording medium
Publication number
20040161700
Publication date
Aug 19, 2004
Mikiko Abe
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording apparatus and information recording method
Publication number
20040114488
Publication date
Jun 17, 2004
Yasuo Sawada
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium
Publication number
20040105952
Publication date
Jun 3, 2004
Hiroshi Deguchi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium, method for determining record...
Publication number
20040052176
Publication date
Mar 18, 2004
Shinya Narumi
G11 - INFORMATION STORAGE
Information
Patent Application
Method and device for recording optical data
Publication number
20030214888
Publication date
Nov 20, 2003
Masaki Kato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Optical recording medium and method for manufacturing the optical r...
Publication number
20030214902
Publication date
Nov 20, 2003
Katsuyuki Yamada
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium and information recording meth...
Publication number
20030008236
Publication date
Jan 9, 2003
Ricoh Company, Ltd.
Katsuyuki Yamada
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium
Publication number
20020155248
Publication date
Oct 24, 2002
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium and information recording meth...
Publication number
20020145963
Publication date
Oct 10, 2002
Ricoh Company, Ltd.
Shinya Narumi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium, method of manufacturing the o...
Publication number
20020110063
Publication date
Aug 15, 2002
Katsuyuki Yamada
G11 - INFORMATION STORAGE