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Fumio Watanabe

Publications -  8
Citations -  79

Fumio Watanabe is an academic researcher. The author has contributed to research in topics: Mobile station & Mobile identification number. The author has an hindex of 3, co-authored 8 publications receiving 79 citations.

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Patent

Interworking apparatus for roaming among different mobile networks

TL;DR: In this paper, an interlocking apparatus for roaming among a plurality of mobile networks having different internet-work signalling protocols is connected to a database record for holding network identity information for identifying a mobile network visited by at least a mobile user (a mobile station or another mobile terminal such as an IC device).
Patent

Subscriber/mobile terminal identifying device

TL;DR: In this paper, the same identification number for identifying the mobile subscriber or the mobile terminal is stored in all the plurality of memory areas (113, 151) corresponding to a plurality of mobile networks (1, 2, N) adopting communication methods different from each other.
Patent

Mobile communication system with zone-shift control apparatus

TL;DR: A mobile communication system includes a plurality of antennas for sending and receiving beams, and mobile terminals moving in a fixed direction substantially, and a zone shift control unit for treating the moving mobile terminals locating within a predetermined area as a single moving zone and for controlling the antennas and directions of the beams so that the beams always cover the moving zone as mentioned in this paper.
Patent

Repeater between different kinds of mobile communication networks

TL;DR: In this paper, a roaming mobile equipment across a network by holding information for identifying which network the mobile equipment exists so as to connect with plural mobile communication networks using different inter-network communication order.
Patent

Residual gas analyzer

TL;DR: In this paper, a hot cathode type residual gas analyzer which has an ion source to ionize a gas molecule existing in a device by impacting it by an electron was presented.