About OKAMURA H
About Sophia Univ., Tokyo, JPN
About SUZUKI Y
About Sophia Univ., Tokyo, JPN
About NAKANO N
About Ricoh. Ltd., Tokyo, JPN
About ASME. DE (American Society of Mechanical Engineers. Design Engineering Division)
About helical gear
About gasoline engine
About Gears,gear units
About 歯車
About 減音
About 実験
About 解析
About スナップリング
About 応用