Inventor
FUJITA TSUYOSHI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “FUJITA TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
20 patentsUS4713494ADec 15, 1987
Multilayer ceramic circuit board
HITACHI LTD66 citations95
US4952272AAug 28, 1990
Method of manufacturing probing head for testing equipment of semi-conductor large scale integrated circuits
HITACHI LTD105 citations94
US4336551AJun 22, 1982
Thick-film printed circuit board and method for producing the same
HITACHI LTD61 citations93
US5396034AMar 7, 1995
Thin film ceramic multilayer wiring hybrid board
HITACHI LTD42 citations92
US4908696AMar 13, 1990
Connector and semiconductor device packages employing the same
HITACHI LTD30 citations90
US4465727AAug 14, 1984
Ceramic wiring boards
HITACHI LTD46 citations90
US5925444AJul 20, 1999
Organic binder for shaping ceramic, its production method and product employing the same
HITACHI LTD33 citations89
US6451187B1Sep 17, 2002
Air/fuel ratio sensor
HITACHI LTD19 citations84
US4457950AJul 3, 1984
Process for producing wiring circuit board
HITACHI LTD18 citations82
US5473194ADec 5, 1995
Chip carrier having through hole conductors
HITACHI LTD9 citations73
US4817276AApr 4, 1989
Process for producing ceramic substrates for microelectronic circuits
HITACHI LTD7 citations73
US4734233AMar 29, 1988
Ceramic wiring substrate and process for producing the same
HITACHI LTD9 citations73
US4608316AAug 26, 1986
Ceramic wiring board and process for producing the same
HITACHI LTD15 citations73
US6118671ASep 12, 2000
Circuit substrate and manufacture thereof, ceramic composition for circuit substrate, and electronics computer
HITACHI LTD13 citations72
US5825632AOct 20, 1998
Circuit substrate and electronics computer, using sintered glass ceramics
HITACHI LTD14 citations72
US4576735AMar 18, 1986
Electroconductive molybdenum paste
HITACHI LTD14 citations72
US7781973B2Aug 24, 2010
Plasma display panel having laminated members and visible light reflection layer
HITACHI LTD3 citations62
US4935285AJun 19, 1990
Ceramic substrates for microelectronic circuits and process for producing same
HITACHI LTD4 citations62
US6815073B2Nov 9, 2004
Electronic component and method of manufacturing the same
HITACHI LTD6 citations61
US7183711B2Feb 27, 2007
Plasma display panel and video display system employing same
HITACHI LTD1 citations52
ORIENTAL YEAST CO LTD
5 patentsUS5420008AMay 30, 1995
Assay method and assay reagent for serum iron or unsaturated iron binding capacity
ORIENTAL YEAST CO LTD24 citations88
US4107014AAug 15, 1978
Isoelectric point markers for gel isoelectric separation
ORIENTAL YEAST CO LTD19 citations80
US5618684AApr 8, 1997
Method of determination of calcium
ORIENTAL YEAST CO LTD8 citations69
US5814505ASep 29, 1998
Process for producing glycine-N-methyl transferase using recombinant DNA
ORIENTAL YEAST CO LTD3 citations61
US5728539AMar 17, 1998
Enzymatic methods for measurement of minute amounts of copper
ORIENTAL YEAST CO LTD0 citations44
HITACHI CONSTRUCTION MACH CO
3 patentsUS12450528B2Oct 21, 2025
Work management system
HITACHI CONSTRUCTION MACH CO0 citations51
US11748826B2Sep 5, 2023
Construction site management device and construction site management system
HITACHI CONSTRUCTION MACH CO0 citations51
US12141723B2Nov 12, 2024
Site management system
HITACHI CONSTRUCTION MACH CO0 citations50