Inventor
KITAMURA MITSUO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KITAMURA MITSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
9 patentsUS5737105AApr 7, 1998
Optical repeater
FUJITSU LTD50 citations92
US5859938AJan 12, 1999
Optical amplifier and optical transmission system
FUJITSU LTD29 citations89
US6310708B1Oct 30, 2001
Supervisory signal transmitter and method
FUJITSU LTD18 citations83
US5130837AJul 14, 1992
Optical repeater haivng means for preventing malfunction due to the presence of noise
FUJITSU LTD20 citations79
US5097353AMar 17, 1992
Optical repeater having phase inversion circuit
FUJITSU LTD19 citations72
US5293260AMar 8, 1994
Optical repeater off-state supervisory method and device therefor
FUJITSU LTD11 citations71
US5088106AFeb 11, 1992
Phase shift circuit and repeater using the same
FUJITSU LTD10 citations71
US6266466B1Jul 24, 2001
Optical amplifier and optical transmission system
FUJITSU LTD11 citations70
US4871121AOct 3, 1989
Method and tank for storing a submarine optical cable
FUJITSU LTD4 citations51