Inventor
YATSUZUKA YOTARO
JP4 patents
Patents
4 patentsUS5930015AJul 27, 1999
Optical access system
KOKUSAI DENSHIN DENWA CO LTD36 citations92
US5886803AMar 23, 1999
Bilateral optical transmission system and optical transceiver for pulse information
KOKUSAI DENSHIN DENWA CO LTD29 citations92
US5247512ASep 21, 1993
Echo canceller
KOKUSAI DENSHIN DENWA CO LTD34 citations89
US3973088AAug 3, 1976
Wide-band hybrid network
KOKUSAI DENSHIN DENWA CO LTD8 citations71