Inventor
OKUNO HIDEKI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “OKUNO HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
7 patentsUS5966236AOct 12, 1999
Optical signal channel counter and optical amplification device using the same
NEC CORP20 citations90
US5680247AOct 21, 1997
Optical amplification monitoring apparatus
NEC CORP24 citations90
US6621623B1Sep 16, 2003
Optical fiber amplifying device stabilized for temperature and signal level
NEC CORP16 citations82
US6297895B1Oct 2, 2001
Wavelength division multiplexing system, wavelength division multiplexing transmission system and optical path cross connection system
NEC CORP12 citations71
US6144488ANov 7, 2000
Optically amplifying device with gain equalizing function
NEC CORP7 citations71
US6947644B2Sep 20, 2005
Optical fiber holding structure
NEC CORP4 citations61
US7444077B2Oct 28, 2008
Optical transmission system, and pumping light source stopping device and method to be used in same system
NEC CORP2 citations60