SY

Susumu Yukishima

SI Sanshin Industries: 2 patents #147 of 319Top 50%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
Overall (All Time): #2,355,727 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4559018 Outboard motor Ryoji Nakahama, Norimichi Harada, Seiji Wada, Yoshio Hosono, Tetsuya Tomoda 1985-12-17
4350010 Exhaust system for an outboard engine 1982-09-21