Before your arrival in the Tokyo area, if you don't have chance to be picked up by someone at Narita airport, this
web site will be usefull. The other international airport in Japan is at Osaka.
This web site is an ideograms dictionnary. For an every days life you need to know
at least 200 ideograms. But an official list of 1945 ideograms exist : jouyou kanji ¾ïÍÑ´Á»ú .