KM

Kuniyoshi Matsumoto

SI Sanshin Industries: 6 patents #72 of 319Top 25%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
Overall (All Time): #769,063 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4773884 Separate lubricating system for marine propulsion device 1988-09-27
RE32593 Separate lubricating system for marine propulsion device 1988-02-09
4708674 Separate lubricating system for marine propulsion device 1987-11-24
4615305 Separate lubricating system for marine propulsion device 1986-10-07
4572120 Separate lubricating system for marine propulsion device 1986-02-25
4475502 Overheat preventing system for internal combustion engines 1984-10-09
4452195 Lubricating system for outboard motors Katsuya Ishimatsu 1984-06-05