AO

Akifumi Oishi

Yamaha Motor: 26 patents #18 of 2,310Top 1%
Overall (All Time): #155,329 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
8960398 Clutch operation assisting device and power unit for straddle-type vehicle 2015-02-24
8763486 Stepwise automatic transmission for saddle riding type vehicle, power unit equipped with the same, and saddle riding type vehicle equipped with the same Shinichiro Hata, Takuji Murayama 2014-07-01
8720632 Two-wheeled motor vehicle Shinichiro Hata, Takuji Murayama 2014-05-13
8202181 Engine Yousuke Ishida 2012-06-19
8157038 Saddle-ride type vehicle Yousuke Ishida 2012-04-17
8136648 Clutch operation assisting device, power unit for vehicle and straddle type vehicle including the same Takuji Murayama 2012-03-20
8075432 Engine unit and straddle type vehicle Yousuke Ishida 2011-12-13
RE42841 Engine with transmission Yousuke Ishida 2011-10-18
7980348 Motorcycle Yousuke Ishida 2011-07-19
7892121 Straddle-type vehicle Yousuke Ishida, Takuji Murayama 2011-02-22
7857721 Belt-type continuously variable transmission and straddle-type vehicle Yousuke Ishida, Takuji Murayama 2010-12-28
7819232 Clutch and vehicle having the same Yousuke Ishida, Takuji Murayama 2010-10-26
7798927 Belt-type continuously variable transmission and straddle-type vehicle Yousuke Ishida 2010-09-21
7766776 V-shaped belt, belt-type transmission, and saddle type-vehicle Yousuke Ishida 2010-08-03
7721700 Engine unit and straddle-type vehicle provided with the same Yousuke Ishida 2010-05-25
7690466 Motorcycle Yousuke Ishida 2010-04-06
7647995 Riding type vehicle Yousuke Ishida 2010-01-19
7549496 Engine mounting arrangement for two wheeled vehicle Yousuke Ishida 2009-06-23
7540348 Power unit for motorcycle and motorcycle Yousuke Ishida 2009-06-02
7487853 Saddle-type vehicle Yousuke Ishida 2009-02-10
7478696 Motorcycle with lowered center of gravity Yousuke Ishida 2009-01-20
7401589 Engine Yousuke Ishida 2008-07-22
7316626 Engine Yousuke Ishida 2008-01-08
7178655 Clutch-lever manipulation assisting device Yousuke Ishida 2007-02-20
7168543 Clutch-lever manipulation assisting device Yousuke Ishida 2007-01-30