TM

Toshio Marumo

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #26,916 of 81,411Top 35%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4320316 Operation time control apparatus Horoshi Horii, Masao Itou, Hidenosuke Matsumoto 1982-03-16