Inventor
TOYOSHIMA HISANORI
JP10 patents
Patents
10 patentsUS5243732ASep 14, 1993
Vacuum cleaner with fuzzy logic control
HITACHI LTD142 citations97
US5110266AMay 5, 1992
Electric blower having improved return passage for discharged air flow
HITACHI LTD138 citations97
US4880474ANov 14, 1989
Method and apparatus for operating vacuum cleaner
HITACHI LTD125 citations96
US5294872AMar 15, 1994
Method and apparatus for operating vacuum cleaner
HITACHI LTD25 citations92
US5166585ANov 24, 1992
Motor control apparatus for an electric vacuum cleaner
HITACHI LTD28 citations92
US4983895AJan 8, 1991
Method and apparatus for operating vacuum cleaner
HITACHI LTD25 citations92
US4958406ASep 25, 1990
Method and apparatus for operating vacuum cleaner
HITACHI LTD41 citations92
US5381584AJan 17, 1995
Vacuum cleaner
HITACHI LTD27 citations91
US5075607ADec 24, 1991
Method and apparatus for operating vacuum cleaner
HITACHI LTD10 citations73
US5027469AJul 2, 1991
Vacuum cleaner
HITACHI LTD9 citations69