Inventor
IMAMURA MASAAKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “IMAMURA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS4844963AJul 4, 1989
Magnetic disk and method of manufacturing same
HITACHI LTD27 citations88
US5252418AOct 12, 1993
Electrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophotographic apparatus utilizing the same
HITACHI LTD20 citations82
US4762534AAug 9, 1988
Method of producing magnetic disk
HITACHI LTD17 citations81
US5123933AJun 23, 1992
Method of producing magnetic disk
HITACHI LTD4 citations73
US5079062AJan 7, 1992
Magnetic recording medium having a thin film magnetic layer formed over a non-magnetic substrate which has powder grains of the substrate disposed on its surface
HITACHI LTD8 citations73
US5028242AJul 2, 1991
Lapping member and lapping tape
HITACHI LTD9 citations73
US4842618AJun 27, 1989
Method of producing magnetic disk
HITACHI LTD10 citations73