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Katsuyuki Yamada
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Kanagawa-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical recording medium, and sputtering target and method for prod...
Patent number
8,227,067
Issue date
Jul 24, 2012
Ricoh Company, Ltd.
Yoshitaka Hayashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Phase-change type optical recording medium and reproduction method...
Patent number
8,000,198
Issue date
Aug 16, 2011
Ricoh Company, Ltd.
Michiaki Shinotsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk, recording method, recording medium, and optical disk...
Patent number
7,894,315
Issue date
Feb 22, 2011
Ricoh Company, Ltd.
Masaki Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Power determining method, single-sided multilayer optical disk, rec...
Patent number
7,848,196
Issue date
Dec 7, 2010
Ricoh Company, Ltd.
Hiroyoshi Sekiguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium, multi-layered optical recording medium, a...
Patent number
7,773,478
Issue date
Aug 10, 2010
Ricoh Company, Ltd.
Eiko Hibino
G11 - INFORMATION STORAGE
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 and recording apparatus
Patent number
7,539,098
Issue date
May 26, 2009
Ricoh Company, Ltd.
Masaki Katoh
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
7,482,109
Issue date
Jan 27, 2009
Ricoh Company, Ltd.
Masaki Katoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for initializing optical recording media
Patent number
7,447,138
Issue date
Nov 4, 2008
Ricoh Company, Ltd.
Kyohji Hattori
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium and recording apparatus
Patent number
7,440,380
Issue date
Oct 21, 2008
Ricoh Company, Ltd.
Masaki Katoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase-change optical recording medium
Patent number
7,422,838
Issue date
Sep 9, 2008
Ricoh Company, Ltd.
Katsuyuki Yamada
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 information recording medium
Patent number
7,351,516
Issue date
Apr 1, 2008
Ricoh Company, Ltd.
Masaki Kato
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 information recording medium and recording apparatus
Patent number
7,336,583
Issue date
Feb 26, 2008
Ricoh Company, Ltd.
Masaki Katoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of producing a sputtering target
Patent number
7,288,224
Issue date
Oct 30, 2007
Ricoh Company, Ltd.
Yukio Ide
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Initialization of phase-change optical recording medium
Patent number
RE39901
Issue date
Oct 30, 2007
Ricoh Company, Ltd.
Kyohji Hattori
369 - Dynamic information storage or retrieval
Information
Patent Grant
Method of recording and reproducing information and apparatus for r...
Patent number
7,263,055
Issue date
Aug 28, 2007
Ricoh Company, Ltd.
Katsuyuki Yamada
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 information recording medium, with at least one inconsecuti...
Patent number
7,072,258
Issue date
Jul 4, 2006
Ricoh Company, Ltd.
Masaki Katoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording apparatus for recording addresses and having a no...
Patent number
7,068,581
Issue date
Jun 27, 2006
Ricoh Company, Ltd.
Masaki Katoh
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
Patents Applications
last 30 patents
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
OPTICAL RECORDING MEDIUM, AND SPUTTERING TARGET AND METHOD FOR PROD...
Publication number
20100003446
Publication date
Jan 7, 2010
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Power Determining Method, Single-Sided Multilayer Optical Disk, Rec...
Publication number
20080084800
Publication date
Apr 10, 2008
Ricoh Company, Ltd.
Hiroyoshi Sekiguchi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical Disk, Recording Method, Recording Medium, And Optical Disk...
Publication number
20080068948
Publication date
Mar 20, 2008
Masaki Kato
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 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, multi-layered optical recording medium, a...
Publication number
20070081445
Publication date
Apr 12, 2007
Eiko Hibino
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium
Publication number
20060291368
Publication date
Dec 28, 2006
Katsuyuki Yamada
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium and recording apparatus
Publication number
20060280486
Publication date
Dec 14, 2006
Masaki Katoh
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium and recording apparatus
Publication number
20060239145
Publication date
Oct 26, 2006
Masaki Katoh
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, optical recording method and apparatus
Publication number
20060188684
Publication date
Aug 24, 2006
Katsuyuki Yamada
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
Method and apparatus for initializing optical
Publication number
20060067183
Publication date
Mar 30, 2006
Kyohji Hattori
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium and method of manufacturing thereof, and r...
Publication number
20060067203
Publication date
Mar 30, 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
Optical information recording medium and recording apparatus
Publication number
20050174903
Publication date
Aug 11, 2005
Masaki Katoh
G11 - INFORMATION STORAGE
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
Method of recording and reproducing information and apparatus for r...
Publication number
20040213122
Publication date
Oct 28, 2004
Katsuyuki Yamada
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 and apparatus for initializing optical recording media
Publication number
20040190394
Publication date
Sep 30, 2004
Kyohji Hattori
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 information recording medium and process for recording thereon
Publication number
20040115559
Publication date
Jun 17, 2004
Masaki Kato
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium
Publication number
20040105952
Publication date
Jun 3, 2004
Hiroshi Deguchi
G11 - INFORMATION STORAGE