AI

Atsushi Isogawa

SI Sanshin Industries: 25 patents #10 of 319Top 4%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
YC Yamaha Motor Co.: 1 patents #6 of 83Top 8%
Overall (All Time): #140,174 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5159916 Ignition timing control member supporting structure of outboard motor 1992-11-03
4969848 Tank-built-in outboard motor 1990-11-13
4919629 Steering device for marine propulsion Yukio Sumigawa 1990-04-24