Inventor

MATSUNAGA NOBUHIKO

JP3 patents

Patents

3 patents

US5203538AApr 20, 1993

Solenoid valve device

YAMAHA MOTOR CO LTD33 citations90

US5855190AJan 5, 1999

Valve-actuating variable cam for engine

YAMAHA MOTOR CO LTD32 citations88

US5813377ASep 29, 1998

Engine valve operating system

YAMAHA MOTOR CO LTD22 citations88