Inventor

NAGANO YUMI

JP5 patents

⚠️ This page may combine multiple inventors who share the name “NAGANO YUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI GLOBAL STORAGE TECH NL

2 patents

US7969681B2Jun 28, 2011

Disk drive and control method thereof

HITACHI GLOBAL STORAGE TECH NL7 citations82

US7864474B2Jan 4, 2011

Disk drive and control method thereof

HITACHI GLOBAL STORAGE TECH NL13 citations82

HITACHI GLOBAL STORAGE TECH

2 patents

US7457067B2Nov 25, 2008

Method of controlling a recording current, and magnetic disk device

HITACHI GLOBAL STORAGE TECH6 citations61

US7417209B2Aug 26, 2008

Recording disk drive with reduced noise thermal flyheight control

HITACHI GLOBAL STORAGE TECH1 citations51

IBM

1 patent

US6798598B2Sep 28, 2004

Method for controlling write current to a write head during data write on a hard disk

IBM15 citations83