Inventor
MAYUMI KAZUHISA
JP2 patents
Patents
2 patentsUS4899702AFeb 13, 1990
Aluminum alloy piston and piston-ring assembly treated to suppress agglutination of the piston alloy to a piston-ring
TOYOTA MOTOR CO LTD31 citations90
US4289990ASep 15, 1981
Spark plug with a stepped insulator and an inner constriction in the housing
TOYOTA MOTOR CO LTD10 citations66