Inventor
KANEGAE MASAHIDE
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KANEGAE MASAHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
14 patentsUS7492543B2Feb 17, 2009
Control device, control method, and storage apparatus for controlling read head and write head clearance
FUJITSU LTD25 citations92
US6130793AOct 10, 2000
Thermal asperity detection method, thermal asperity compensation method, magnetic disk unit and retry method therefor
FUJITSU LTD37 citations92
US6124998ASep 26, 2000
Information storage device
FUJITSU LTD27 citations92
US5694265ADec 2, 1997
Disk apparatus for detecting position of head by reading phase servo pattern
FUJITSU LTD35 citations91
US6002538ADec 14, 1999
PRML regenerating apparatus having adjusted slice levels
FUJITSU LTD12 citations81
US7463438B2Dec 9, 2008
Information storage apparatus, and control method and program for the same
FUJITSU LTD8 citations73
US6021025AFeb 1, 2000
Disk apparatus having an actuator for moving heads
FUJITSU LTD15 citations73
US5068753ANov 26, 1991
Data reproducing circuit for memory system having an equalizer generating two different equalizing signals used for data reproduction
FUJITSU LTD11 citations73
US5841602ANov 24, 1998
PRML regenerating apparatus
FUJITSU LTD10 citations72
US7272527B1Sep 18, 2007
Method of test of clock generation circuit in electronic device, and electronic device
FUJITSU LTD8 citations71
US5825570AOct 20, 1998
PRML regenerating apparatus having reduced number of charge pump circuits
FUJITSU LTD10 citations69
US5689655ANov 18, 1997
Apparatus for connecting and disconnecting drives under active state
FUJITSU LTD6 citations63
US5675446AOct 7, 1997
Method of controlling magnetic disk unit based on version data
FUJITSU LTD3 citations62
US5440434AAug 8, 1995
Reproduced waveform equilizing circuit for thin-film magnetic head
FUJITSU LTD5 citations62
TOSHIBA KK
4 patentsUS8929019B2Jan 6, 2015
Read/write apparatus and read/write method
TOSHIBA KK7 citations84
US8027118B2Sep 27, 2011
Method and apparatus for controlling head with spin-torque oscillator in a disk drive
TOSHIBA KK11 citations83
US9235472B2Jan 12, 2016
Drive array apparatus, controller, data storage apparatus and method for rebuilding drive array
TOSHIBA KK2 citations61
US9177582B1Nov 3, 2015
Magnetic disk apparatus and off-tracking detection method
TOSHIBA KK1 citations52