Inventor
KATSUMOTO MASAYUKI
JP7 patents
Patents
7 patentsUS4277452AJul 7, 1981
Carbon monoxide absorbing liquid
HITACHI LTD23 citations81
US5109311AApr 28, 1992
Magnetic disk device and method of recording/retrieving information
HITACHI LTD17 citations73
US5034243AJul 23, 1991
Method for magnetic orientation of magnetic recording medium using Meissner effect of high Tc superconductor
HITACHI LTD8 citations72
US5636081AJun 3, 1997
Magnetic disc apparatus and magnetic disc
HITACHI LTD12 citations70
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
US5856281AJan 5, 1999
Bearing and manufacturing method of bearing, and magnetic disk device with bearing containing a lubricating grease
HITACHI LTD3 citations57
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