YS

Yoshitugu Sumino

SI Sanshin Industries: 1 patents #190 of 319Top 60%
Overall (All Time): #3,746,009 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5529520 Propulsion system for marine vessel Takashi Iwashita, Yasushi Iriono, Hiroshi Harada 1996-06-25