About HASHIMASA YOSHIYUKI
About 住友金属工業 未来技研
About OKITA MASAKAZU
About 住友金属工業 未来技研
About MINO SHUJI
About 住友特殊金属
About ISHIGAKI NAOYUKI
About 住友特殊金属
About 粉体および粉末冶金
About ultrasonic irradiation
About Powder compacting,sintering
About 磁石
About 超音波
About 粉末成形