About ARAI SHINJI
About アイシン・エィ・ダブリュ
About 塑性加工シンポジウム
About helical gear
About forming and molding
About press
About automobile
About miniaturization
About weight reduction
About gear
About transmission gear
About automatic transmission
About planetary gear
About plastic working
About production technology
About cold forging
About metal mold
About mass production
About drive train
About press
About herical gear
About high strength
About high accuracy
About yield improvement
About Gears,gear units
About Press working
About ヘリカルギヤ
About プレス
About 活用