LexDanaLexDanabeta
Inventor

Fumiko Akagi

Inventor
Fuchu, JP

Overview

13→
Patents
2002–2013
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer68%
B82YSpecific uses or applications of nanostructures11%
H01FMagnets11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
8,351,144'Thermally assisted magnetic recording head, recording system, and recording method'20138,264,918'Near-field recording device having heating mechanism positioned near a trailing side of a magnetic pole'20128,130,598'Head for thermal assisted magnetic recording device, and thermal assisted magnetic recording device'20128,089,829'Thermally assisted recording media and system'20127,813,071'Thermally assisted recording system'20107,773,331'Thermally assisted magnetic recording system'20107,645,528'Magnetic recording media with ultra-high recording density'20107,446,969'Thermally assisted recording system'20087,221,530'Magnetic head with high reliability of the data protection, magnetic disk apparatus including the magnetic head and the method of recording information on the magnetic disk apparatus without miserasing the previously recorded data'20076,940,690'MAGNETIC HEAD WITH HIGH RELIABILITY OF THE DATA PROTECTION, MAGNETIC DISK APPARATUS INCLUDING THE MAGNETIC HEAD AND THE METHOD OF RECORDING INFORMATION ON THE MAGNETIC DISK APPARATUS WITHOUT MISERASING THE PREVIOUSLY RECORDED DATA'20056,671,116'Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetization'20036,635,367'Magnetic recording medium'20036,456,448'Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetization'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2012Patents assigned to HITACHI LTD (6)· patent assignee history
2002–2012Based in Fuchu, JP· patent location history
2005–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (5)· patent assignee history
2008–2013Based in Tokyo, JP· patent location history
2012–2013Patents assigned to AKAGI FUMIKO (4)· patent assignee history
2012–2013Patents assigned to HITACHI GLOBAL STORAGE TECH NL (2)· patent assignee history
2012Patents assigned to MATSUMOTO TAKUYA (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD62002–2012
HITACHI GLOBAL STORAGE TECH52005–2010
AKAGI FUMIKOself42012–2013
HITACHI GLOBAL STORAGE TECH NL22012–2013
MATSUMOTO TAKUYA22012
Locations
LocationPatentsSpan
Fuchu, JP82002–2012
Tokyo, JP52008–2013