Takehiro Yokoishi

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This paper proposes an Electronic Product Code (EPC) based supply chain visibility system framework which interworks with Electronic Data Interchange (EDI) system which manages its orders and inventory with non-EPC stock keeping units (SKU) and their quantity. The feature of the framework is the cascadable packing/shipping management, which enables regional(More)
This paper reports users' experiences on the WIDE Project conference network (camp-net) held in Sep. 6th to Sep. 9th in Matsushiro Royal hotel, and tries to describe the problems on IPv4/IPv6 transition techniques. In the camp-net, the IPv6 only connectivity was achieved by DHCP6, NAT64 and DNS64, and was served as main connectivity for participants on the(More)
This paper proposes a device discovery method for consolidated IP and ZigBee home networks. The method broadcasts an IP multicasted device discovery request of UPnP, m-search, in the ZigBee network as a Constrained Application Protocol (CoAP) message. Upon receiving the m-search broadcast, ZigBee devices respond after a constant time delay with their device(More)
We have developed a system using a combination of a multi-hop sensor network and 3G networks to support patients daily medication in home care. Each medication of a patient is represented by a sequence of close-open-close events of an off-the-shelf pill box, which are detected by a small Hall sensor. The system enables home visiting nurses to remotely(More)
In this paper, we propose a cost effective and sustainable relief material visibility system. In an evacuation site such as the one prepared following a disastrous event such as the Tohoku earthquake, we have observed three issues on relief goods supply management: discrepancy between demands and supplies, difficulty of sorting and picking of relief(More)
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