KH

Katsuji Hirade

SI Sanshin Industries: 1 patents #190 of 319Top 60%
YM Yamaha Marine: 1 patents #80 of 137Top 60%
Overall (All Time): #2,151,577 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7452255 Outboard motor for small watercraft Jun Nakata 2008-11-18
4734065 System for stable running of marine propulsions Ryoji Nakahama, Takashi Koike 1988-03-29