Inventor
HAMADA YOSUKE
JP14 patents
⚠️ This page may combine multiple inventors who share the name “HAMADA YOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS5073912ADec 17, 1991
Sample moving apparatus, sample moving system and semiconductor manufacturing apparatus
HITACHI LTD88 citations96
US5402400AMar 28, 1995
Method and apparatus for eliminating external disturbances in a disk drive device
HITACHI LTD63 citations93
US6611118B2Aug 26, 2003
Magnetic disk drive and voice coil motor drive circuit
HITACHI LTD29 citations92
US6407876B1Jun 18, 2002
Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head
HITACHI LTD37 citations92
US6335845B1Jan 1, 2002
Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head
HITACHI LTD19 citations92
US6130797AOct 10, 2000
Magnetic recorder and magnetooptical recorder
HITACHI LTD16 citations84
US6864656B2Mar 8, 2005
Magnetic disk drive and voice coil motor drive circuit
HITACHI LTD14 citations83
US5986845ANov 16, 1999
Apparatus for positioning magnetic head and method of the same
HITACHI LTD20 citations83
US6738218B1May 18, 2004
Disk storage device and head positioning method
HITACHI LTD16 citations82