Inventor
YAMADA KAZUJI
JP45 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA KAZUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
44 patentsUS6313598B1Nov 6, 2001
Power semiconductor module and motor drive system
HITACHI LTD200 citations99
US5177670AJan 5, 1993
Capacitor-carrying semiconductor module
HITACHI LTD287 citations99
US6594149B2Jul 15, 2003
Liquid cooled circuit device
HITACHI LTD99 citations98
US6588647B2Jul 8, 2003
Liquid cooled circuit device and a manufacturing method thereof
HITACHI LTD80 citations98
US6144571ANov 7, 2000
Semiconductor module, power converter using the same and manufacturing method thereof
HITACHI LTD111 citations98
US6434008B1Aug 13, 2002
Semiconductor device
HITACHI LTD84 citations97
US6291880B1Sep 18, 2001
Semiconductor device including an integrally molded lead frame
HITACHI LTD160 citations97
US5956231ASep 21, 1999
Semiconductor device having power semiconductor elements
HITACHI LTD85 citations96
US4970577ANov 13, 1990
Semiconductor chip module
HITACHI LTD71 citations96
US4906823AMar 6, 1990
Solder carrier, manufacturing method thereof and method of mounting semiconductor devices by utilizing same
HITACHI LTD72 citations96
US4802952AFeb 7, 1989
Method for manufacturing semiconductor absolute pressure sensor units
HITACHI LTD75 citations96
US4737787AApr 12, 1988
Two-wire communication system
HITACHI LTD56 citations96
US4618397AOct 21, 1986
Method of manufacturing semiconductor device having a pressure sensor
HITACHI LTD129 citations96
US4495820AJan 29, 1985
Capacitive pressure sensor
HITACHI LTD84 citations96
US6353258B1Mar 5, 2002
Semiconductor module
HITACHI LTD65 citations95
US5920119AJul 6, 1999
Power semiconductor module employing metal based molded case and screw fastening type terminals for high reliability
HITACHI LTD145 citations95
US4291293ASep 22, 1981
Semiconductor absolute pressure transducer assembly and method
HITACHI LTD68 citations95
US5661343AAug 26, 1997
Power hybrid integrated circuit apparatus
HITACHI LTD32 citations93
US5350886ASep 27, 1994
Mounting substrate
HITACHI LTD28 citations93
US5258649ANov 2, 1993
Semiconductor device and electronic apparatus using semiconductor device
HITACHI LTD48 citations93
US6452261B1Sep 17, 2002
Flat semiconductor device and power converter employing the same
HITACHI LTD24 citations92
US5097318AMar 17, 1992
Semiconductor package and computer using it
HITACHI LTD50 citations92
US5095359AMar 10, 1992
Semiconductor package and computer using the package
HITACHI LTD29 citations92
US4908695AMar 13, 1990
Cooling apparatus and semiconductor device employing the same
HITACHI LTD31 citations92
US4896930AJan 30, 1990
Optical functional device of an optical waveguide type
HITACHI LTD49 citations92
US4891831AJan 2, 1990
X-ray tube and method for generating X-rays in the X-ray tube
HITACHI LTD29 citations92
US4835595AMay 30, 1989
Optical interconnections for integrated circuits
HITACHI LTD24 citations92
US4670969AJun 9, 1987
Method of making silicon diaphragm pressure sensor
HITACHI LTD44 citations92
US4556807ADec 3, 1985
Pressure transducer with temperature compensation circuit
HITACHI LTD50 citations92
US4527428AJul 9, 1985
Semiconductor pressure transducer
HITACHI LTD31 citations92
US4480478ANov 6, 1984
Pressure sensor employing semiconductor strain gauge
HITACHI LTD28 citations92
US4558238ADec 10, 1985
Pressure transducer using integrated circuit elements
HITACHI LTD30 citations91
US4173900ANov 13, 1979
Semiconductor pressure transducer
HITACHI LTD39 citations91
US4173148ANov 6, 1979
Semiconductor strain gauge with temperature compensator
HITACHI LTD27 citations81
US4151502AApr 24, 1979
Semiconductor transducer
HITACHI LTD21 citations81
US4604899AAug 12, 1986
Semiconductor-type pressure transducer
HITACHI LTD11 citations74
US4591780AMay 27, 1986
Constant current source device having a ratio metricity between supply voltage and output current
HITACHI LTD15 citations74
US4404539ASep 13, 1983
Semiconductor strain gauge
HITACHI LTD15 citations74
US4065971AJan 3, 1978
Semiconductor pressure transducer
HITACHI LTD18 citations74
US6680435B1Jan 20, 2004
Electronic device and method of fabricating the same
HITACHI LTD12 citations73
US5315482AMay 24, 1994
Semiconductor apparatus of module installing type
HITACHI LTD12 citations73
US4550612ANov 5, 1985
Integrated pressure sensor
HITACHI LTD10 citations73
US4166384ASep 4, 1979
Semiconductor transducer
HITACHI LTD11 citations73
US4050313ASep 27, 1977
Semiconductor pressure transducer
HITACHI LTD18 citations73