Inventor · disambiguated record
Yumi Nagano
Also filed as: NAGANO YUMI
5 granted patents·42 citations·filing 2002–2007
78Inventor score
Technology areasG11B
Top patents by PatentIndex Score
5 records- 0189US7864474B2Disk drive and control method thereofHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Jan 4, 2011·13 cites·20 claims
- 0285US7969681B2Disk drive and control method thereofHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Jun 28, 2011·7 cites·11 claims
- 0383US7457067B2Method of controlling a recording current, and magnetic disk deviceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 25, 2008·6 cites·17 claims
- 0481US6798598B2Method for controlling write current to a write head during data write on a hard diskIBM·Filed 2002·Granted Sep 28, 2004·15 cites·8 claims
- 0568US7417209B2Recording disk drive with reduced noise thermal flyheight controlHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Aug 26, 2008·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →