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Nobuaki Onagi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Nonaqueous electrolytic storage element
Patent number
9,831,521
Issue date
Nov 28, 2017
Ricoh Company, Ltd.
Okitoshi Kimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonaqueous electrolytic capacitor element
Patent number
9,754,726
Issue date
Sep 5, 2017
Ricoh Company, Ltd.
Nobuaki Onagi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-aqueous electrolyte storage element
Patent number
9,111,684
Issue date
Aug 18, 2015
Ricoh Company, Ltd.
Nobuaki Onagi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Disk laminate, disk cartridge, disk loading/unloading mechanism, di...
Patent number
8,607,259
Issue date
Dec 10, 2013
Ricoh Company, Ltd.
Yoshimichi Takano
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk clamping mechanism and disk drive system, with movably support...
Patent number
8,549,547
Issue date
Oct 1, 2013
Ricoh Company, Ltd.
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk rotating device, disk, disk assembly, disk cartridge, and reco...
Patent number
8,495,669
Issue date
Jul 23, 2013
Ricoh Company, Ltd.
Yasutomo Aman
G11 - INFORMATION STORAGE
Information
Patent Grant
Data recording/reproduction method and data recording/reproduction...
Patent number
8,259,543
Issue date
Sep 4, 2012
Ricoh Company, Ltd.
Daiichi Koide
G11 - INFORMATION STORAGE
Information
Patent Grant
Optimum gap determined recording/reproducing apparatus
Patent number
8,228,772
Issue date
Jul 24, 2012
Ricoh Company, Ltd.
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk apparatus and method of controlling optical disk appar...
Patent number
8,174,946
Issue date
May 8, 2012
Ricoh Company, Ltd.
Yasutomo Aman
G11 - INFORMATION STORAGE
Information
Patent Grant
Optimum gap determined recording/reproducing apparatus and method
Patent number
8,077,576
Issue date
Dec 13, 2011
Ricoh Company, Ltd.
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk carrier device and disk drive
Patent number
7,885,149
Issue date
Feb 8, 2011
Ricoh Company, Ltd.
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive system employing effective disk surface stabilization me...
Patent number
7,852,723
Issue date
Dec 14, 2010
Ricoh Company, Ltd.
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Manufacturing method of a flexible optical disk
Patent number
7,767,117
Issue date
Aug 3, 2010
Ricoh Company, Ltd.
Shozo Murata
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording/reproducing apparatus and disk cartridge
Patent number
7,546,614
Issue date
Jun 9, 2009
Ricoh Company, Ltd.
Yasutomo Aman
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
Optical disk stabilizing apparatus and method of controlling optica...
Patent number
7,428,199
Issue date
Sep 23, 2008
Ricoh Company, Ltd.
Yasutomo Aman
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
Flexible optical disk
Patent number
7,407,698
Issue date
Aug 5, 2008
Ricoh Company, Ltd.
Shozo Murata
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium, recording material, method of producing o...
Patent number
7,364,781
Issue date
Apr 29, 2008
Ricoh Company, Ltd.
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording/reproduction apparatus, driving method therefor and disk...
Patent number
7,367,036
Issue date
Apr 29, 2008
Ricoh Company, Ltd.
Yasutomo Aman
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase-change optical recording medium and recording method and appa...
Patent number
7,366,075
Issue date
Apr 29, 2008
Ricoh Company, Ltd.
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical device substrate film-formation apparatus, optical disk sub...
Patent number
7,273,534
Issue date
Sep 25, 2007
Ricoh Company, Ltd.
Kazunori Ito
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Disk drive system employing effective disk surface stabilization me...
Patent number
7,233,554
Issue date
Jun 19, 2007
Ricoh Company, Ltd.
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording/reproducing apparatus and disk cartridge
Patent number
7,194,750
Issue date
Mar 20, 2007
Ricoh Company, Ltd.
Yasutomo Aman
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of controlling an optical disk apparatus
Patent number
7,164,629
Issue date
Jan 16, 2007
Ricoh Company, Ltd.
Yasutomo Aman
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase-change optical recording medium and recording method and appa...
Patent number
7,102,977
Issue date
Sep 5, 2006
Ricoh Company, Ltd.
Kazunori Ito
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 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
Phase-change optical recording medium and recording method and appa...
Patent number
6,884,488
Issue date
Apr 26, 2005
Ricoh Company, Limited
Kazunori Ito
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
NON-AQUEOUS ELECTROLYTE STORAGE ELEMENT
Publication number
20170047583
Publication date
Feb 16, 2017
Hisamitsu KAMEZAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Publication number
20170005361
Publication date
Jan 5, 2017
RICOH COMPANY, LTD.
Hisamitsu KAMEZAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-AQUEOUS ELECTROLYTE STORAGE ELEMENT
Publication number
20160260972
Publication date
Sep 8, 2016
Eiko HIBINO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER STORAGE ELEMENT
Publication number
20160013488
Publication date
Jan 14, 2016
Hisamitsu KAMEZAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTIC STORAGE ELEMENT
Publication number
20150303512
Publication date
Oct 22, 2015
Okitoshi KIMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTIC STORAGE ELEMENT
Publication number
20150303513
Publication date
Oct 22, 2015
Anna HIROWATARI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTIC CAPACITOR ELEMENT
Publication number
20150287537
Publication date
Oct 8, 2015
Ricoh Company, Ltd.
Nobuaki Onagi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Publication number
20140186696
Publication date
Jul 3, 2014
Nobuaki Onagi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-AQUEOUS ELECTROLYTE STORAGE ELEMENT
Publication number
20130288113
Publication date
Oct 31, 2013
Nobuaki Onagi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RECORDING/REPRODUCING APPARATUS AND RECORDING/REPRODUCING METHOD
Publication number
20120060174
Publication date
Mar 8, 2012
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Application
DISK LAMINATE, DISK CARTRIDGE, DISK LOADING/UNLOADING MECHANISM, DI...
Publication number
20110283299
Publication date
Nov 17, 2011
Yoshimichi Takano
G11 - INFORMATION STORAGE
Information
Patent Application
DISK CLAMPING MECHANISM AND DISK DRIVE SYSTEM
Publication number
20110072446
Publication date
Mar 24, 2011
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Application
DISK ROTATING DEVICE, DISK, DISK ASSEMBLY, DISK CARTRIDGE, AND RECO...
Publication number
20100058373
Publication date
Mar 4, 2010
Yasutomo Aman
G11 - INFORMATION STORAGE
Information
Patent Application
RECORDING/REPRODUCING APPARATUS AND RECORDING/REPRODUCING METHOD
Publication number
20090231975
Publication date
Sep 17, 2009
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk apparatus and method of controlling optical disk appar...
Publication number
20090040896
Publication date
Feb 12, 2009
Yasutomo Aman
G11 - INFORMATION STORAGE
Information
Patent Application
Data recording/reproduction method and data recording/reproduction...
Publication number
20090010123
Publication date
Jan 8, 2009
Daiichi Koide
G11 - INFORMATION STORAGE
Information
Patent Application
DISK CARRIER DEVICE AND DISK DRIVE
Publication number
20080092152
Publication date
Apr 17, 2008
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive system employing effective disk surface stabilization me...
Publication number
20070286045
Publication date
Dec 13, 2007
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Application
Manufacturing method of a flexible optical disk
Publication number
20070248000
Publication date
Oct 25, 2007
Shozo Murata
G11 - INFORMATION STORAGE
Information
Patent Application
Recording/reproducing apparatus and disk cartridge
Publication number
20070107004
Publication date
May 10, 2007
Yasutomo Aman
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive system employing effective disk surface stabilization me...
Publication number
20070058500
Publication date
Mar 15, 2007
Nobuaki Onagi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk apparatus and method of controlling optical disk appar...
Publication number
20070058510
Publication date
Mar 15, 2007
Yasutomo Aman
G11 - INFORMATION STORAGE
Information
Patent Application
Phase-change optical recording medium and recording method and appa...
Publication number
20060256706
Publication date
Nov 16, 2006
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium, recording material, method of producing o...
Publication number
20060188686
Publication date
Aug 24, 2006
Kazunori Ito
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
Publication number
20060126486
Publication date
Jun 15, 2006
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Application
Recording/reproduction apparatus, driving method therefor and disk...
Publication number
20060051076
Publication date
Mar 9, 2006
Yasutomo Aman
G11 - INFORMATION STORAGE
Information
Patent Application
Phase-change optical recording medium and recording method and appa...
Publication number
20050169149
Publication date
Aug 4, 2005
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium, recording material, method of producing o...
Publication number
20050058055
Publication date
Mar 17, 2005
Kazunori Ito
G11 - INFORMATION STORAGE
Information
Patent Application
Optical device substrate film-formation apparatus, optical disk sub...
Publication number
20040262149
Publication date
Dec 30, 2004
Kazunori Ito
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...