YF

Yoichi Fujikake

NS Nippon Steel: 1 patents #57 of 282Top 25%
Overall (1989): #41,370 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4821575 Ultrasonic flaw detecting method and apparatus Takao Sugimoto, Kiyohide Tamaki, Yoshio Udagawa 1989-04-18