Inventor
WAKITA NAOMASA
JP12 patents
⚠️ This page may combine multiple inventors who share the name “WAKITA NAOMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
11 patentsUS4937489AJun 26, 1990
Electrostrictive actuators
NGK SPARK PLUG CO73 citations95
US4885498ADec 5, 1989
Stacked type piezoelectric actuator
NGK SPARK PLUG CO32 citations92
US4705365ANov 10, 1987
Light deflecting apparatus
NGK SPARK PLUG CO30 citations91
US4773218ASep 27, 1988
Pulse actuated hydraulic pump
NGK SPARK PLUG CO45 citations89
US4978881ADec 18, 1990
Piezoelectric actuator of lamination type
NGK SPARK PLUG CO46 citations88
US5014024AMay 7, 1991
Bandpass filter and method of trimming response characteristics thereof
NGK SPARK PLUG CO17 citations74
US5122768AJun 16, 1992
Compact stripline filter with fixed capacity between coupled resonator fingers
NGK SPARK PLUG CO10 citations73
US4651046AMar 17, 1987
Piezoelectric scanning device
NGK SPARK PLUG CO14 citations73
US5084684AJan 28, 1992
Method of adjusting a frequency response in a three-conductor type filter device
NGK SPARK PLUG CO5 citations63
US5066934ANov 19, 1991
Method of adjusting a frequency response in a stripline filter device
NGK SPARK PLUG CO4 citations63
US6501347B1Dec 31, 2002
Dielectric filter having forked auxiliary conductor
NGK SPARK PLUG CO0 citations41