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Inventor
OOHIRA MASAKI
JP
2 patents
⚠️ This page may combine multiple inventors who share the name “OOHIRA MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
1 patent
US7957647B2
Jun 7, 2011
Passive optical network system and ranging method
HITACHI LTD
9 citations
81
KAZAWA TOHRU
1 patent
US8249455B2
Aug 21, 2012
Passive optical network system and ranging method
KAZAWA TOHRU
3 citations
59