Inventor
KUYAMA KOUJI
JP8 patents
Patents
8 patentsUS6479914B2Nov 12, 2002
Vibration motor having an eccentric weight and device including the same motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations92
US5973426AOct 26, 1999
Motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations92
US5621260AApr 15, 1997
Coreless motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US5847484ADec 8, 1998
Sleeve type of coreless motor with reduced starting current
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations91
US5252873AOct 12, 1993
DC brushless motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations89
US6628028B2Sep 30, 2003
Small and flat vibrational motor having impact-resistant structure
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations83
US5780947AJul 14, 1998
Coreless motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations83
US6577587B1Jun 10, 2003
Turntable device and manufacturing method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations81