Inventor
ONODA YOSHIHITO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “ONODA YOSHIHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
14 patentsUS6111688AAug 29, 2000
Optical amplifier and system including the same
FUJITSU LTD58 citations96
US5115332AMay 19, 1992
Receiver for coherent optical communication
FUJITSU LTD67 citations96
US4965858AOct 23, 1990
Polarization diversity optical receiver for coherent optical communication
FUJITSU LTD57 citations96
US6738184B2May 18, 2004
Optical amplifier for amplifying multi-wavelength light
FUJITSU LTD30 citations92
US6411429B1Jun 25, 2002
Optical amplifying apparatus, wide-band optical amplifying apparatus, and optical communication system
FUJITSU LTD28 citations92
US6304371B1Oct 16, 2001
Optical amplifier and an optical amplification method
FUJITSU LTD16 citations92
US6118576ASep 12, 2000
Optical amplifier and an optical amplification method
FUJITSU LTD22 citations92
US5875054AFeb 23, 1999
Bidirectional optical amplifier circuit
FUJITSU LTD41 citations92
US5822112AOct 13, 1998
Control apparatus for optical amplifier
FUJITSU LTD28 citations92
US5052051ASep 24, 1991
Heterodyne receiver for coherent optical communication
FUJITSU LTD49 citations92
US5050176ASep 17, 1991
Direct modulation phase-shift-keying system and method
FUJITSU LTD35 citations92
US7236294B2Jun 26, 2007
Optical amplifier
FUJITSU LTD9 citations74
US5426502AJun 20, 1995
Optical fiber interference wavelength/frequency detection apparatus which eliminates a movable element
FUJITSU LTD8 citations74
US6373624B1Apr 16, 2002
Optical amplifier and an optical amplification method
FUJITSU LTD1 citations62