Inventor
SUKA HISAO
JP6 patents
Patents
6 patentsUS5243732ASep 14, 1993
Vacuum cleaner with fuzzy logic control
HITACHI LTD142 citations97
US6146094ANov 14, 2000
Motor-driven blower and method of manufacturing impeller for motor-driven blower
HITACHI LTD83 citations95
US4809394AMar 7, 1989
Vacuum cleaner having a blower facility structure
HITACHI LTD54 citations92
US5381584AJan 17, 1995
Vacuum cleaner
HITACHI LTD27 citations91
US5155885AOct 20, 1992
Vacuum cleaner and method for operating the same
HITACHI LTD12 citations70
US6661994B2Dec 9, 2003
Electrophotographic image forming system
HITACHI LTD6 citations61