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Ikuo Aoki
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical disc
Patent number
7,301,889
Issue date
Nov 27, 2007
Samsung Electronics Co., Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Hologram recording medium, recording/reproducing apparatus and meth...
Patent number
7,227,675
Issue date
Jun 5, 2007
Samsung Electronics Co., Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc
Patent number
6,775,222
Issue date
Aug 10, 2004
Samsung Electronics Co., Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc having format suitable for large amount of data and me...
Patent number
6,507,558
Issue date
Jan 14, 2003
Samsung Electronics Co., Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc and optical disc apparatus for forming wobbled tracks
Patent number
6,298,021
Issue date
Oct 2, 2001
Ricoh Company, Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc and optical disc apparatus for forming wobbled tracks
Patent number
6,201,773
Issue date
Mar 13, 2001
Ricoh Company, Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc and optical disc apparatus for forming wobbled tracks
Patent number
5,999,504
Issue date
Dec 7, 1999
Ricoh Company, Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase-change optical disc recording method and apparatus, and infor...
Patent number
5,956,313
Issue date
Sep 21, 1999
Ricoh Company, Ltd.
Hiroshi Maegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase-change optical disc recording method and apparatus, and infor...
Patent number
5,745,463
Issue date
Apr 28, 1998
Ricoh Company, Ltd.
Hiroshi Maegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording apparatus, method and computer program product
Patent number
5,732,062
Issue date
Mar 24, 1998
Ricoh Company, Ltd.
Kenya Yokoi
G11 - INFORMATION STORAGE
Information
Patent Grant
Laser light power control system having reflected light detector
Patent number
5,712,839
Issue date
Jan 27, 1998
Ricoh Company, Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase-change optical disc recording method and apparatus, and infor...
Patent number
5,648,952
Issue date
Jul 15, 1997
Ricoh Company, Ltd.
Hiroshi Maegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium having pre-formatted patterns arrange by s...
Patent number
5,602,823
Issue date
Feb 11, 1997
Ricoh Company, Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for controlling an optical recording device for improved rec...
Patent number
5,574,713
Issue date
Nov 12, 1996
Ricoh Company, Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium with gap area capable for pref...
Patent number
5,572,506
Issue date
Nov 5, 1996
Ricoh Company, Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
5,414,692
Issue date
May 9, 1995
Ricoh Company, Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Defect detecting method
Patent number
5,218,589
Issue date
Jun 8, 1993
Ricoh Company, Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Defect detection circuit for optical pick up device
Patent number
5,195,076
Issue date
Mar 16, 1993
Ricoh Company, Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Hologram recording medium, recording/reproducing apparatus and meth...
Publication number
20060028702
Publication date
Feb 9, 2006
Samsung Electronics Co., Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Application
Hologram recording medium and apparatus for and method of recording...
Publication number
20050250046
Publication date
Nov 10, 2005
Samsung Electronics Co., Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Application
Hologram memory medium, apparatus and method of recording and/or re...
Publication number
20050232115
Publication date
Oct 20, 2005
Samsung Electronics Co., Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium
Publication number
20050200926
Publication date
Sep 15, 2005
Samsung Electronics Co., Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Application
Hologram recording medium
Publication number
20050179966
Publication date
Aug 18, 2005
Samsung Electronics Co., Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Application
Hologram recording medium, and recording apparatus and reproducing...
Publication number
20050141064
Publication date
Jun 30, 2005
Samsung Electronics Co., Ltd.
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disc
Publication number
20020021647
Publication date
Feb 21, 2002
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disc
Publication number
20020003770
Publication date
Jan 10, 2002
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disc and method of making the same
Publication number
20010040861
Publication date
Nov 15, 2001
Ikuo Aoki
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disc and optical disc apparatus for forming wobbled tracks
Publication number
20010000698
Publication date
May 3, 2001
Ikuo Aoki
G11 - INFORMATION STORAGE