Inventor
SUGAWARA KATUO
JP19 patents
Patents
19 patentsUS4710854ADec 1, 1987
Hybrid multilayer wiring board
HITACHI LTD46 citations92
US4402211ASep 6, 1983
System for monitoring abnormality of oil-filled electric devices
HITACHI LTD56 citations92
US4070416AJan 24, 1978
Novel thermosetting resin and a process for producing same
HITACHI LTD39 citations91
US4444040AApr 24, 1984
Method and apparatus for detecting gas components in oil in oil-filled device
HITACHI LTD29 citations89
US5416373AMay 16, 1995
Electrically insulated coils and a method of manufacturing thereof
HITACHI LTD24 citations87
US4809058AFeb 28, 1989
Integrated circuit device
HITACHI LTD20 citations81
US4502320AMar 5, 1985
Method and apparatus for diagnosing oil-filled electric apparatus
HITACHI LTD23 citations79
US4470832ASep 11, 1984
Gas chromatographic apparatus
HITACHI LTD20 citations79
US5212244AMay 18, 1993
Thermosetting resin composition, and prepreg and laminated sheet which use the same
HITACHI LTD7 citations74
US5065285ANov 12, 1991
Multi-layer circuit board, method of manufacturing the same and application thereof
HITACHI LTD16 citations74
US4946734AAug 7, 1990
Resin composition for printed circuit board and such board formed by use thereof
HITACHI LTD9 citations74
US5215842AJun 1, 1993
Photosensitive element for electrophotography
HITACHI LTD13 citations73
US4784917ANov 15, 1988
Thermosetting resin composition and laminate and process for the production thereof
HITACHI LTD18 citations73
US5080965AJan 14, 1992
Prepreg from poly(p-hydroxystyrene), epoxy-modified polybutadiene and maleimide
HITACHI LTD3 citations63
US5041478AAug 20, 1991
Resin composition for printed circuit board
HITACHI LTD4 citations63
US4931507AJun 5, 1990
Composition comprising poly(p-hydroxystrene) derivative, epoxy-modified polybutadiene and aromatic maleimide
HITACHI LTD3 citations63
US4738900AApr 19, 1988
Thermo-setting, polymerizable composition and wiring board
HITACHI LTD6 citations62
US4607094AAug 19, 1986
Thermosetting resin composition from aromatic cyanamide
HITACHI LTD4 citations62
US4587162AMay 6, 1986
Resin composition and laminate produced therefrom comprising a cyclized polybutadiene and a prepolymer of a isocyanuric or cyanuric acid derivative
HITACHI LTD4 citations62