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VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus Grant 9,124,531 - Sakamoto , et al. September 1, 2 | 2015-09-01 |
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VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus Grant 8,582,587 - Sakamoto , et al. November 12, 2 | 2013-11-12 |
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Vpn Composing Method, Interwork Router, Packet Communication Method, Data Communication Apparatus, And Packet Relaying Apparatus App 20110268129 - Sakamoto; Kenichi ;   et al. | 2011-11-03 |
VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus Grant 7,983,281 - Sakamoto , et al. July 19, 2 | 2011-07-19 |
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