About SAKAIDA YOSHIHISA
About KASHIWAGI SHOGO
About 静岡大 大学院
About SAWAKI YOZO
About YOSHIDA HAJIME
About KATAGIRI KAMON
About スズキ
About high frequency hardening
About nondestructive evalution
About Heat treatment technology
About Gears,gear units
About 微小
About X線
About 高周波焼入
About 硬化層
About 非破壊評価