Inventor

KAWAMATA MITSUHISA

JP3 patents

Patents

3 patents

US5243732ASep 14, 1993

Vacuum cleaner with fuzzy logic control

HITACHI LTD142 citations97

US5381584AJan 17, 1995

Vacuum cleaner

HITACHI LTD27 citations91

US5027469AJul 2, 1991

Vacuum cleaner

HITACHI LTD9 citations69