Inventor
UESAKA YASUTARO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “UESAKA YASUTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS4722869AFeb 2, 1988
Magnetic recording medium
HITACHI LTD58 citations96
US4005396AJan 25, 1977
Digital displacement sensor with zigzag coils
HITACHI LTD68 citations93
US4621030ANov 4, 1986
Perpendicular magnetic recording medium and manufacturing method thereof
HITACHI LTD24 citations82
US4576876AMar 18, 1986
Magnetic recording medium
HITACHI LTD23 citations82
US4031496AJun 21, 1977
Variable inductor
HITACHI LTD30 citations81
US6613428B2Sep 2, 2003
Magnetic recording medium and magnetic recording and reproducing apparatus wherein the magnetic layer has a fluctuation of field; A or Hf of not less than 30 Oersteds
HITACHI LTD4 citations74
US6310748B1Oct 30, 2001
Magnetic thin film magnetic recording medium
HITACHI LTD5 citations74
US4707756ANov 17, 1987
Perpendicular magnetic recording medium
HITACHI LTD12 citations74
US4544591AOct 1, 1985
Perpendicular magnetic recording medium
HITACHI LTD7 citations74
US5034243AJul 23, 1991
Method for magnetic orientation of magnetic recording medium using Meissner effect of high Tc superconductor
HITACHI LTD8 citations72
US6846577B2Jan 25, 2005
Magnetic recording medium possessing a fluctuation field of not less than 30 Oe
HITACHI LTD2 citations63
US5180616AJan 19, 1993
Hard disk magnetic recording medium comprising magnetic powder and a binder and having a specified magnetic layer thickness and surface roughness
HITACHI LTD3 citations62
US5180608AJan 19, 1993
Process for producing a rigid magnetic disk by longitudinally generating standing waves or interference waves in an undried applied magnetic paint
HITACHI LTD1 citations51
US5028496AJul 2, 1991
Magnetic coated recording medium and method of manfacturing the same
HITACHI LTD1 citations51