P

Inventor

YAMAMOTO MASAKAZU

JP83 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO MASAKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EBARA CORP

26 patents
US5888053AMar 30, 1999

Pump having first and second outer casing members

EBARA CORP144 citations97
US5692886ADec 2, 1997

Canned motor pump having concentric bearings

EBARA CORP55 citations96
US6350105B1Feb 26, 2002

Frequency and current control for fluid machinery

EBARA CORP63 citations95
US5563490AOct 8, 1996

Pump system with liquid cooling operation

EBARA CORP73 citations95
US5494418AFeb 27, 1996

Pump casing made of sheet metal

EBARA CORP48 citations95
US5674056AOct 7, 1997

Motor pump assembly

EBARA CORP42 citations93
US5648694AJul 15, 1997

Motor stator assembly and full-circumferential flow pump employing such motor stator assembly

EBARA CORP40 citations93
US5567133AOct 22, 1996

Canned motor and pump employing such canned motor

EBARA CORP51 citations93
US5385444AJan 31, 1995

Pump casing made of sheet metal

EBARA CORP27 citations93
US6520745B1Feb 18, 2003

Performance regulating device for fluid machinery

EBARA CORP33 citations92
US6435836B1Aug 20, 2002

Fluid machinery

EBARA CORP28 citations92
US5857841AJan 12, 1999

Full-circumferential flow pump

EBARA CORP37 citations92
US5797731AAug 25, 1998

Group of full-circumferential-flow pumps and method of manufacturing the same

EBARA CORP23 citations92
US5494403AFeb 27, 1996

Full-circumferential flow pump

EBARA CORP30 citations92
US5478215ADec 26, 1995

Full-circumferential flow pump

EBARA CORP31 citations92
US5401146AMar 28, 1995

Pump casing made of sheet metal

EBARA CORP32 citations91
US5388971AFeb 14, 1995

Full-circumferential flow pump

EBARA CORP17 citations82
US5704768AJan 6, 1998

Motor pump family of centrifugal pumps

EBARA CORP8 citations74
US5676528AOct 14, 1997

Motor pump family with single stage and multiple stage impellers

EBARA CORP7 citations74
US5601419AFeb 11, 1997

Nozzle structure for a full-circumferential flow pump

EBARA CORP12 citations74
US5564914AOct 15, 1996

Fluid machine with induction motor

EBARA CORP11 citations74
US5385454AJan 31, 1995

Bearing device for use in a canned motor

EBARA CORP16 citations74
US5964582AOct 12, 1999

Fragment prevention and containment for a bearing device for use in a pump

EBARA CORP11 citations73
US5704761AJan 6, 1998

Full-circumferential flow pump

EBARA CORP10 citations73
US5616013AApr 1, 1997

Full-circumferential flow pump

EBARA CORP12 citations73
US5348452ASep 20, 1994

Pump mounting structure of canned submersible motor for deep well pump

EBARA CORP14 citations70

HITACHI LTD

14 patents
US5110664AMay 5, 1992

Thick film and thin film composite substrate and electronic circuit apparatus using it

HITACHI LTD156 citations99
US5729550AMar 17, 1998

Data transmitter-receiver

HITACHI LTD54 citations96
US5184027AFeb 2, 1993

Clock signal supply system

HITACHI LTD75 citations96
US4954877ASep 4, 1990

Chip carrier

HITACHI LTD65 citations96
US4558395ADec 10, 1985

Cooling module for integrated circuit chips

HITACHI LTD97 citations96
US4626889ADec 2, 1986

Stacked differentially driven transmission line on integrated circuit

HITACHI LTD81 citations95
US6330703B1Dec 11, 2001

Method and circuit for determining the power consumption requirements for a semiconductor logic circuit and designing the circuit accordingly

HITACHI LTD37 citations92
US5923539AJul 13, 1999

Multilayer circuit substrate with circuit repairing function, and electronic circuit device

HITACHI LTD43 citations92
US5844762ADec 1, 1998

Electronic circuit device having a function of inhibiting resonance in power wiring

HITACHI LTD30 citations92
US4930002AMay 29, 1990

Multi-chip module structure

HITACHI LTD23 citations92
US5214318AMay 25, 1993

Semiconductor integrated circuit device having a signal transmission line pair interconnected by propagation delay time control resistance

HITACHI LTD26 citations90
US5457406AOct 10, 1995

Bidirectional signal transmission circuit and terminator

HITACHI LTD37 citations87
US5822329AOct 13, 1998

Data-transmitter-receiver

HITACHI LTD7 citations73
US5661416AAug 26, 1997

Interface circuit and interface-network system using the same

HITACHI LTD16 citations72

SHOWA DENKO KK

2 patents

DENSO CORP

2 patents

ESPEC CORP

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

YAMAMOTO MASAKAZU

1 patent

TOSHIBA KK

1 patent

JAPAN POLYOLEFINS CO LTD

1 patent

KOBE STEEL LTD

1 patent

Showing the top 50 of 83 patents by PatentIndex Score.