About SUGAWARA SHIGEO
About 住友金属工業 関西製造所
About ISHIHARA KOICHIRO
About 住友金属工業 総技研
About KISHI YOSHITAKA
About 住友金属工業 関西製造所
About OSHIMA HIROSHI
About JR東海
About NAKANISHI TOSHIKATSU
About JR東海
About high speed railway
About Railway vehicle equipment
About 浮上式鉄道
About 台車
About 開発
About 状況
About 概要