Inventor
TAJIMA TAIJI
JP6 patents
Patents
6 patentsUS7418762B2Sep 2, 2008
Self-propelled cleaning device and charger using the same
HITACHI LTD148 citations98
US6968592B2Nov 29, 2005
Self-running vacuum cleaner
HITACHI LTD159 citations97
US6442792B1Sep 3, 2002
Vacuum cleaner
HITACHI LTD68 citations94
US6282749B1Sep 4, 2001
Vacuum cleaner and suction nozzle body thereof cross reference to related application
HITACHI LTD25 citations90
US6212732B1Apr 10, 2001
Vacuum cleaner and suction nozzle body therefor
HITACHI LTD30 citations90
US4661754AApr 28, 1987
Control circuit for a stepping motor
HITACHI LTD10 citations73