Inventor
WAKATSUKI NOBORU
JP32 patents
⚠️ This page may combine multiple inventors who share the name “WAKATSUKI NOBORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
30 patentsUS4810965AMar 7, 1989
Position detecting apparatus using a magnetic sensor and a closed magnetic circuit with non-uniform magnetic flux distribution
FUJITSU LTD109 citations96
US4779166AOct 18, 1988
Illuminating apparatus
FUJITSU LTD78 citations96
US5049809ASep 17, 1991
Sensing device utilizing magneto electric transducers
FUJITSU LTD83 citations95
US4967598ANov 6, 1990
Acceleration sensor
FUJITSU LTD59 citations95
US5474747ADec 12, 1995
Gas purifier using plasma and catalyst
FUJITSU LTD31 citations93
US5187758AFeb 16, 1993
Method of fabricating optical switch
FUJITSU LTD32 citations93
US5371430ADec 6, 1994
Piezoelectric transformer producing an output A.C. voltage with reduced distortion
FUJITSU LTD26 citations92
US5251049AOct 5, 1993
Reflection type active matrix liquid crystal apparatus
FUJITSU LTD40 citations92
US5055786AOct 8, 1991
Barber-pole magnetoresistive magnetic field sensor
FUJITSU LTD35 citations92
US4468582AAug 28, 1984
Piezoelectric resonator chip and trimming method for adjusting the frequency thereof
FUJITSU LTD41 citations92
US4454444AJun 12, 1984
LiTaO3 Piezoelectric resonator
FUJITSU LTD30 citations92
US5861705AJan 19, 1999
Tuning-fork vibratory gyro and sensor system using the same
FUJITSU LTD26 citations91
US4314393AFeb 9, 1982
Method of manufacturing acoustic surface wave device
FUJITSU LTD36 citations87
US6404108B1Jun 11, 2002
Piezoelectric actuator
FUJITSU LTD14 citations84
US6177756B1Jan 23, 2001
Piezoelectric gyro and method of driving the piezoelectric gyro
FUJITSU LTD14 citations74
US4583019AApr 15, 1986
Piezoelectric resonator using 165° Y-cut LiNbO3
FUJITSU LTD17 citations74
US5424602AJun 13, 1995
Piezoelectric transformer showing a reduced input impedance and step-up/step-down operation for a wide range of load resistance
FUJITSU LTD17 citations73
US4350963ASep 21, 1982
Surface acoustic wave device
FUJITSU LTD14 citations73
US4342011AJul 27, 1982
Surface acoustic wave device
FUJITSU LTD11 citations73
US5229680AJul 20, 1993
Piezoelectric transformer using single crystal of linbo3
FUJITSU LTD15 citations72
US4314215AFeb 2, 1982
Surface acoustic wave filter device with equalization of stray coupling
FUJITSU LTD11 citations72
US8350415B2Jan 8, 2013
Switch circuit with inductive load and capacitor
FUJITSU LTD2 citations63
US7786830B2Aug 31, 2010
Switch with movable portion
FUJITSU LTD2 citations63
US7053739B2May 30, 2006
Electrical contacting device and method of making the same
FUJITSU LTD2 citations63
US4420730ADec 13, 1983
Surface acoustic wave filter
FUJITSU LTD5 citations63
US4551695ANov 5, 1985
Surface acoustic device having multistrip coupler comprised of alternate coupled and uncoupled strips
FUJITSU LTD5 citations61
US4426595AJan 17, 1984
Acoustic surface wave device with improved band-pass characteristics
FUJITSU LTD5 citations59
US5628099AMay 13, 1997
Method of producing series-resonant device using conductive adhesive resin
FUJITSU LTD0 citations49
US7129434B2Oct 31, 2006
Electric contact device
FUJITSU LTD0 citations42
US4378540AMar 29, 1983
Acoustic surface wave device
FUJITSU LTD0 citations42