AM

Akio Matsuda

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #77,610 of 81,411Top 100%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4314774 Pneumatically inflatable flexible envelope type dam Yoshiomi Tsuji, Tamaki Ikeda, Kenji Mori 1982-02-09