Inventor
KOGANEZAWA SHINJI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “KOGANEZAWA SHINJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
22 patentsUS6327120B1Dec 4, 2001
Actuator using piezoelectric element and head-positioning mechanism using the actuator
FUJITSU LTD97 citations96
US5781381AJul 14, 1998
Double-driving head actuator
FUJITSU LTD73 citations96
US5880904AMar 9, 1999
Disk drive having a thickness equal to an IC memory card
FUJITSU LTD56 citations95
US6538854B2Mar 25, 2003
Actuator using piezoelectric element and head-positioning mechanism using the actuator
FUJITSU LTD59 citations94
US7085092B2Aug 1, 2006
Head slider receiving variable urging force in recording medium drive
FUJITSU LTD19 citations92
US6697211B2Feb 24, 2004
Magnetic head drive device
FUJITSU LTD31 citations92
US6064550AMay 16, 2000
Head actuator with dual drive means
FUJITSU LTD38 citations92
US6025973AFeb 15, 2000
Construction for attaching a disk in a disk drive
FUJITSU LTD30 citations92
US5608592AMar 4, 1997
Head actuator
FUJITSU LTD24 citations92
US7095591B2Aug 22, 2006
Head slider having microactuator
FUJITSU LTD16 citations84
US6532138B1Mar 11, 2003
Mechanism for producing minute movement of a head of a disk device
FUJITSU LTD16 citations84
US7061724B2Jun 13, 2006
Disc drive magnetic head fine positioning mechanism including a base connecting a suspension to an arm, and having a piezoelectric drive element adjacent thereto
FUJITSU LTD7 citations74
US6724560B2Apr 20, 2004
Head assembly employing microactuator in recording medium drive
FUJITSU LTD12 citations74
US6081990AJul 4, 2000
Method for incorporating disk media into magnetic disk drive
FUJITSU LTD14 citations73
US6016237AJan 18, 2000
Shaft construction of a disk drive
FUJITSU LTD6 citations73
US6741012B2May 25, 2004
Piezoelectric actuator
FUJITSU LTD9 citations69
US7126782B2Oct 24, 2006
Acceleration sensor and disk drive employing it
FUJITSU LTD6 citations63
US6671120B2Dec 30, 2003
Head carriage assembly drive system and disk drive
FUJITSU LTD3 citations63
US6498706B1Dec 24, 2002
Dual driving unit for a magnetic head carriage assembly and magnetic disk drive
FUJITSU LTD5 citations63
US7551399B2Jun 23, 2009
Head suspension including flexure having as elastic bending section
FUJITSU LTD3 citations62
US7154702B2Dec 26, 2006
Head actuator
FUJITSU LTD1 citations52
US6392848B1May 21, 2002
Head carriage assembly and disk device incorporating thereof
FUJITSU LTD0 citations52