Inventor

SAKAUE HIRONOBU

JP4 patents

Patents

4 patents

US6557940B2May 6, 2003

Chair assisting rising movements

MATSUSHITA ELECTRIC WORKS LTD42 citations91

US5836645ANov 17, 1998

Lounger-type massage machine

MATSUSHITA ELECTRIC WORKS LTD37 citations90

US5813727ASep 29, 1998

Massaging chair

MATSUSHITA ELECTRIC WORKS LTD30 citations90

US4633159ADec 30, 1986

Charging circuit

MATSUSHITA ELECTRIC WORKS LTD6 citations60