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Inventor
TAKAKI HIROKI
JP
2 patents
Patents
2 patents
US7684382B2
Mar 23, 2010
Provider network for providing L-2 VPN services and edge router
FUJITSU LTD
16 citations
79
US9332326B2
May 3, 2016
Optical transmission device and monitoring method of optical signal
FUJITSU LTD
0 citations
46