Inventor · disambiguated record
Fumiko Akagi
Also filed as: AKAGI FUMIKO
13 granted patents·2 pending applications·129 citations·filing 1999–2013
91Inventor score
Files withHITACHI LTD6HITACHI GLOBAL STORAGE TECH5AKAGI FUMIKO1HASHIMOTO MITSUHIRO1HITACHI GLOBAL STORAGE TECH NL1
Top patents by PatentIndex Score
15 records- 0190US8264918B2Near-field recording device having heating mechanism positioned near a trailing side of a magnetic poleHASHIMOTO MITSUHIRO·Filed 2009·Granted Sep 11, 2012·15 cites·14 claims
- 0289US7221530B2Magnetic 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 dataHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted May 22, 2007·8 cites·3 claims
- 0385US6635367B2Magnetic recording mediumHITACHI LTD·Filed 2001·Granted Oct 21, 2003·58 cites·17 claims
- 0484US7773331B2Thermally assisted magnetic recording systemHITACHI LTD·Filed 2007·Granted Aug 10, 2010·6 cites·13 claims
- 0583US8130598B2Head for thermal assisted magnetic recording device, and thermal assisted magnetic recording deviceMATSUMOTO TAKUYA·Filed 2006·Granted Mar 6, 2012·5 cites·17 claims
- 0682US8089829B2Thermally assisted recording media and systemAKAGI FUMIKO·Filed 2009·Granted Jan 3, 2012·7 cites·20 claims
- 0776US6940690B2Magnetic 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 dataHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Sep 6, 2005·9 cites·14 claims
- 0875US7446969B2Thermally assisted recording systemHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 4, 2008·6 cites·19 claims
- 0974US8351144B2Thermally assisted magnetic recording head, recording system, and recording methodHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Jan 8, 2013·2 cites·20 claims
- 1068US7813071B2Thermally assisted recording systemHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted Oct 12, 2010·3 cites·5 claims
- 1164US6671116B2Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetizationHITACHI LTD·Filed 2002·Granted Dec 30, 2003·4 cites·4 claims
- 1247US6456448B1Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetizationHITACHI LTD·Filed 1999·Granted Sep 24, 2002·6 cites·12 claims
- 1346US7645528B2Magnetic recording media with ultra-high recording densityHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 12, 2010·0 cites·4 claims
- 1445US2014112114A1Magnetic recording medium and magnetic storage deviceHITACHI LTD·Filed 2013·Application pending·0 cites
- 1544US2004080856A1Magnetic 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 dataHITACHI LTD·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →