Inventor
NISHINO RYOSUKE
JP9 patents
⚠️ This page may combine multiple inventors who share the name “NISHINO RYOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
4 patentsUS7873277B2Jan 18, 2011
Passive optical network system and wavelength assignment method
HITACHI LTD27 citations92
US7889990B2Feb 15, 2011
Optical line terminal capable of active bandwidth allocation for passive optical network system
HITACHI LTD11 citations84
US7773880B2Aug 10, 2010
Optical access system
HITACHI LTD6 citations74
US7840137B2Nov 23, 2010
Optical line terminal and optical network unit capable of alarm transmission scheme for passive optical network system
HITACHI LTD6 citations62