MY

Masaaki Yokoyama

SI Sumitomo Heavy Industries: 1 patents #4 of 49Top 9%
SI Sumitomo Metal Industries: 1 patents #16 of 89Top 20%
📍 Yokkaichi, JP: #21 of 86 inventorsTop 25%
Overall (1989): #77,922 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4823577 Method of feeding material to hot forging machine Yoshio Kawashima, Shunji Ogata, Masato Tomiku, Tsuneo Yamada, Tsutomu Kuno +5 more 1989-04-25