Inventor

TSUMURAI YASUO

JP5 patents

Patents

5 patents

USD315598SMar 19, 1991

Electric fan

HITACHI LTD120 citations96

USD322669SDec 24, 1991

Electric fan

HITACHI LTD71 citations95

US5266004ANov 30, 1993

Blower

HITACHI LTD119 citations92

USD290997SJul 21, 1987

Electric fan

HITACHI LTD36 citations91

USD291486SAug 18, 1987

Electric fan

HITACHI LTD0 citations49