OT

Osamu Takatsu

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
📍 Joetsu, JP: #178 of 239 inventorsTop 75%
Overall (All Time): #3,750,423 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5547450 Hearth roller with suppressed heat crown Yoshiro Matsumoto, Kazumi Isaka, Masaaki Mizuguchi, Yoshimitsu Oshima 1996-08-20