Inventor
WAKAMATSU HIROAKI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “WAKAMATSU HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
8 patentsUS6011666AJan 4, 2000
Disk unit and portable electronic equipment
FUJITSU LTD70 citations94
US5914168AJun 22, 1999
Magnetic recording medium and magnetic disc device
FUJITSU LTD59 citations94
US5589262ADec 31, 1996
Perpendicular magnetic recording medium having a soft magnetic underlayer with a stripe magnetic domain structure
FUJITSU LTD59 citations94
US6038093AMar 14, 2000
Magnetic recording/reproducing apparatus with a current supplying circuit for demagnetizing residual magnetization remaining at an end of a magnetic pole
FUJITSU LTD23 citations91
US5963385AOct 5, 1999
Magnetic recording/reproducing apparatus and method for supplying a current to a magnetic head to stabilize a magnetized state of a magnet pole
FUJITSU LTD18 citations91
US5824920AOct 20, 1998
Apparatus for evaluating magnetic recording medium
FUJITSU LTD17 citations80
US5726839AMar 10, 1998
Magnetic head having bypass magnetic path and set magnetic reluctance relationship
FUJITSU LTD15 citations73
US5047297ASep 10, 1991
Magnetic recording medium and manufacturing method thereof
FUJITSU LTD3 citations60