Inventor
ISHIGAKI TATSUYA
JP7 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGAKI TATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS6490123B1Dec 3, 2002
Disc drive having 3.5 inch form factor housing and 2.5 inch form factor disk media
HITACHI LTD43 citations91
US5504638AApr 2, 1996
Device for driving disk-type storage medium with improved clamp and hub arrangement
HITACHI LTD34 citations91
US5189577AFeb 23, 1993
A magnetic disk apparatus and a motor securement therefor
HITACHI LTD25 citations91
US5027242AJun 25, 1991
Magnetic disk apparatus having at least six magnetic disks
HITACHI LTD42 citations91
US5541792AJul 30, 1996
Actuator arm with magnetic flux response to bias arm to a stop position
HITACHI LTD20 citations89
US5801904ASep 1, 1998
Actuator arm with magnetic flux response to bias arm to a stop position
HITACHI LTD14 citations72