Inventor
TSUKAMOTO MASAHIKO
JP3 patents
Patents
3 patentsUS5592483AJan 7, 1997
Data communication apparatus achieving efficient use of the media
SHARP KK57 citations93
US5585952ADec 17, 1996
Communication apparatus automatically selecting one of two operation modes
SHARP KK48 citations90
US5640400AJun 17, 1997
Mutual connecting apparatus between networks
SHARP KK14 citations67