Inventor
AKAIWA YOSHIHIKO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “AKAIWA YOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
9 patentsUS4817116AMar 28, 1989
Digital radio communication system utilizing quadrature modulated carrier waves
NEC CORP109 citations96
US4747101AMay 24, 1988
Method of determining optimal transmission channel in multi-station communications system
NEC CORP71 citations96
US4882766ANov 21, 1989
Terminal station of a radio communication network capable of effectively using radio channels assigned to the network
NEC CORP26 citations92
US4776039AOct 4, 1988
Receiver for mobile communication systems
NEC CORP36 citations92
US4752742AJun 21, 1988
Frequency demodulator for recovering digital signals
NEC CORP31 citations92
US4661970AApr 28, 1987
Cordless telephone system
NEC CORP29 citations92
US5109529AApr 28, 1992
Method of assigning frequency channel in mobile communications system
NEC CORP21 citations82
US4652699AMar 24, 1987
Voice scrambler using frequency-inversion and band-splitting technique
NEC CORP12 citations74
US4651107AMar 17, 1987
Demodulator for digital FM signals
NEC CORP11 citations74