Inventor
HIGASHIYAMA MITSUO
JP5 patents
Patents
5 patentsUS4837802AJun 6, 1989
Radio communication method and system
SONY CORP92 citations95
US4783844ANov 8, 1988
Apparatus for transmitting and recording signals
SONY CORP30 citations91
US5321739AJun 14, 1994
Cordless telephone apparatus with message recording and reproducing means
SONY CORP20 citations90
US4679225AJul 7, 1987
Signal transmission apparatus for a multiple channel system and method for using the same
SONY CORP47 citations90
US5123043AJun 16, 1992
Radio communication method and system
SONY CORP8 citations73