Inventor · disambiguated record
Masayuki Katsumoto
Also filed as: KATSUMOTO MASAYUKI
7 granted patents·67 citations·filing 1980–1996
84Inventor score
Files withHITACHI LTD7
Top patents by PatentIndex Score
7 records- 0167US5109311AMagnetic disk device and method of recording/retrieving informationHITACHI LTD·Filed 1991·Granted Apr 28, 1992·17 cites·38 claims
- 0267US4277452ACarbon monoxide absorbing liquidHITACHI LTD·Filed 1980·Granted Jul 7, 1981·23 cites·6 claims
- 0357US5636081AMagnetic disc apparatus and magnetic discHITACHI LTD·Filed 1994·Granted Jun 3, 1997·12 cites·2 claims
- 0452US5034243AMethod for magnetic orientation of magnetic recording medium using Meissner effect of high Tc superconductorHITACHI LTD·Filed 1989·Granted Jul 23, 1991·8 cites·6 claims
- 0532US5180616AHard disk magnetic recording medium comprising magnetic powder and a binder and having a specified magnetic layer thickness and surface roughnessHITACHI LTD·Filed 1989·Granted Jan 19, 1993·3 cites·1 claims
- 0631US5180608AProcess for producing a rigid magnetic disk by longitudinally generating standing waves or interference waves in an undried applied magnetic paintHITACHI LTD·Filed 1990·Granted Jan 19, 1993·1 cites·14 claims
- 0728US5856281ABearing and manufacturing method of bearing, and magnetic disk device with bearing containing a lubricating greaseHITACHI LTD·Filed 1996·Granted Jan 5, 1999·3 cites·8 claims
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