Inventor
IWATA HIROYUKI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “IWATA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
6 patentsUS6204945B1Mar 20, 2001
Signal light outputting apparatus and optical transmission system having signal light outputting apparatus
FUJITSU LTD56 citations95
US6721507B2Apr 13, 2004
Optical communications system
FUJITSU LTD19 citations92
US6233076B1May 15, 2001
Optical communications system
FUJITSU LTD25 citations92
US6414770B2Jul 2, 2002
Optical communications system
FUJITSU LTD9 citations73
US6762837B2Jul 13, 2004
Polarization compensator and wavelength division multiplexing apparatus using same
FUJITSU LTD5 citations62
US5956167ASep 21, 1999
Light branching and insertion apparatus and optical transmission system having light branching and insertion apparatus
FUJITSU LTD6 citations61