Inventor
SAKAMOTO MASAKATSU
JP23 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO MASAKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
17 patentsUS4563112AJan 7, 1986
Slurry transport system
HITACHI LTD35 citations89
US4490044ADec 25, 1984
Automatic slurry concentration control system
HITACHI LTD25 citations82
US4321016AMar 23, 1982
Apparatus for continuous slurry displacement transfer
HITACHI LTD22 citations82
US4000927AJan 4, 1977
Capsule hydraulic-transportation system
HITACHI LTD20 citations78
US4387595AJun 14, 1983
Float of slurry pressure feeding system
HITACHI LTD7 citations74
US4371294AFeb 1, 1983
Slurry conveyor system
HITACHI LTD18 citations74
US4605356AAug 12, 1986
Apparatus for continuously pressure-feeding slurry
HITACHI LTD10 citations73
US4547132AOct 15, 1985
Apparatus for continuously transferring a slurry by liquid pressure
HITACHI LTD13 citations73
US4536131AAug 20, 1985
Apparatus for continuous pressure feeding of slurry
HITACHI LTD13 citations73
US4231686ANov 4, 1980
Control system of apparatus for transporting slurry
HITACHI LTD14 citations73
US4239423ADec 16, 1980
Apparatus for hydraulically transporting particulate solid material
HITACHI LTD11 citations72
US3938912AFeb 17, 1976
Horizontal type hydrohoist
HITACHI LTD19 citations72
US4310491AJan 12, 1982
Apparatus for supplying raw liquid and relieving pressure of high-pressure product liquid
HITACHI LTD2 citations62
US4145087AMar 20, 1979
System for hydraulically transporting solid material
HITACHI LTD2 citations61
US4129337ADec 12, 1978
Method for preventing erosion-corrosion of hydraulic capsule transportation apparatus
HITACHI LTD6 citations61
US4164359AAug 14, 1979
Hydraulic transportation apparatus for solid materials
HITACHI LTD3 citations60
US4066298AJan 3, 1978
Hydraulically transported capsule
HITACHI LTD5 citations57
KENWOOD CORP
6 patentsUS4725345AFeb 16, 1988
Method for forming a hard carbon thin film on article and applications thereof
KENWOOD CORP197 citations97
US5253301AOct 12, 1993
Nondirectional acoustic generator and speaker system
KENWOOD CORP82 citations96
US4772513ASep 20, 1988
Method for forming a hard carbon thin film on article and applications thereof
KENWOOD CORP53 citations95
US4135600AJan 23, 1979
Loudspeaker system
KENWOOD CORP23 citations82
US4126204ANov 21, 1978
Speaker system
KENWOOD CORP26 citations82
US4996119AFeb 26, 1991
Speaker cone plate and method of forming
KENWOOD CORP2 citations60