MS

Masafumi Sougawa

SI Sanshin Industries: 15 patents #27 of 319Top 9%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
Overall (All Time): #328,223 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
RE36888 Exhaust gas purifying device for an outboard motor Atsushi Isogawa 2000-10-03
6112726 Fuel supply system for injected engine Chitoshi Saito, Masahiko Kato 2000-09-05
6067966 Engine fuel supply system Chitoshi Saito, Masahiko Kato 2000-05-30
5778836 Drain system for two cycle engine Kyoji Hakamata, Hisanori Genma 1998-07-14
5280708 Exhaust gas purifying device for an outboard motor Atsushi Isogawa 1994-01-25
5174112 Exhaust gas purifying device for an outboard motor Atsushi Isogawa 1992-12-29
4989568 Fuel injection system for outboard motors 1991-02-05
4986780 Two cycle engine 1991-01-22
4969433 Piston for internal combustion engine 1990-11-13
4965997 Exhaust system for outboard motor Tamotsu Suzuki, Toyoshi Suzuki, Takashi Iwashita 1990-10-30
4934903 Oil discharge detecting device for marine engine 1990-06-19
4913108 Separate lubricating system of engines Isao Kanno 1990-04-03
4852686 Silencer for outboard engine 1989-08-01
4784090 Intake device for outboard engine 1988-11-15
4554896 Fuel control system for internal combustion engines 1985-11-26