SNSatoshi NarumiFollowUsage metrics Co-workers & collaboratorsKAKazuhisa AkibaKazuhisa AkibaTHTomonobu HasegawaTomonobu HasegawaYHYukihiro HasegawaYukihiro HasegawaSTShuji TakadaShuji TakadaTITomohiro IshiiTokyo, JapanTomohiro IshiiHOHirofumi OhashiHirofumi Ohashi