About OMORI HITOSHI
About KASUGA HIROSHI
About KATO TERUKO
About UEHARA YOSHIHIRO
About ITO NOBUAKI
About KAMEYAMA YUTAKA
About EZURA ATSUSHI
About 栃木県産業技術セ
About MIZUTANI MASAYOSHI
About grinding
About smoothing
About working and processing
About hip joint
About hemisphere
About spherical surface
About ELID grinding
About 超平滑研削
About figure processing
About 球面加工
About Grinding
About ELID研削
About 加工事例