Inventor
KUWAHARA HIDEO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KUWAHARA HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
5 patentsUS5115332AMay 19, 1992
Receiver for coherent optical communication
FUJITSU LTD67 citations96
US4965858AOct 23, 1990
Polarization diversity optical receiver for coherent optical communication
FUJITSU LTD57 citations96
US4650289AMar 17, 1987
Optical circulator
FUJITSU LTD111 citations94
US5228043AJul 13, 1993
Direct modulation phase shift keying (dm-psk) transmission system
FUJITSU LTD24 citations92
US5003626AMar 26, 1991
Dual balanced optical signal receiver
FUJITSU LTD39 citations89