Information terminal system getting information based on a location and a direction of a portable terminal device
AssigneeHitachi, Ltd.
InventorsKoichiro Tanikoshi, Masayuki Tani, Kimiya Yamaashi, Harumi Uchigasaki, Masayasu Futakawa, Masato Horita, Shoshiro Kuzunuki, Atsuhiko Nishikawa, Takekazu Maruyama
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