Inventor

IWAO AKIRA

JP7 patents

Patents

7 patents

US5159738ANov 3, 1992

Vacuum cleaner having silencer mechanism

HITACHI LTD90 citations95

US5042844AAug 27, 1991

Hose fixture device

HITACHI LTD66 citations94

USD338293SAug 10, 1993

Electric vacuum cleaner

HITACHI LTD29 citations92

US4809394AMar 7, 1989

Vacuum cleaner having a blower facility structure

HITACHI LTD54 citations92

US5216778AJun 8, 1993

Vacuum cleaner

HITACHI LTD48 citations91

US4912593AMar 27, 1990

Electrical appliance

HITACHI LTD20 citations81

USD312901SDec 11, 1990

Electric vacuum cleaner

HITACHI LTD6 citations72