Inventor
KASAI YOSHIHIKO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “KASAI YOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
7 patentsUS4511202AApr 16, 1985
Ceramic resonator and a ceramic filter using the same
FUJITSU LTD33 citations92
US4555682ANov 26, 1985
Mechanical filter
FUJITSU LTD28 citations87
US4281298AJul 28, 1981
Flexural transducer
FUJITSU LTD25 citations80
US4949057AAug 14, 1990
Distributed constant type delay line device and a manufacturing method thereof
FUJITSU LTD13 citations67
US4395849AAug 2, 1983
Automatic frequency adjusting method for mechanical resonators
FUJITSU LTD15 citations66
US4241321ADec 23, 1980
Electromechanical filter
FUJITSU LTD2 citations55
US4314216AFeb 2, 1982
Mechanical filter
FUJITSU LTD1 citations51
NEC CORP
4 patentsUS4903319AFeb 20, 1990
Portable radio telephone having power saver
NEC CORP109 citations94
US5428824AJun 27, 1995
Radio transceiver capable of avoiding intermodulation distortion
NEC CORP30 citations92
US5130634AJul 14, 1992
Battery charger for a portable wireless telephone set having means for tricklingly charging the battery with an increased current during a stand-by period of the telephone set
NEC CORP43 citations92
US4680553AJul 14, 1987
Intermediate frequency amplifier with signal strength detection circuit
NEC CORP26 citations92