Inventor
HATA KEIJI
JP4 patents
Patents
4 patentsUS6190339B1Feb 20, 2001
Massage device
MATSUSHITA ELECTRIC WORKS LTD51 citations91
US6436062B1Aug 20, 2002
Massaging appliance
MATSUSHITA ELECTRIC WORKS LTD31 citations90
US6210349B1Apr 3, 2001
Roller massaging apparatus
MATSUSHITA ELECTRIC WORKS LTD31 citations89
US5997489ADec 7, 1999
Massager with rotatable head and roller
MATSUSHITA ELECTRIC WORKS LTD36 citations89