Inventor

SHIRAKAWA KENZO

JP4 patents

Patents

4 patents

US5189792AMar 2, 1993

Reciprocatory electric shaver

MATSUSHITA ELECTRIC WORKS LTD64 citations94

US4559456ADec 17, 1985

Battery powered electric appliance

MATSUSHITA ELECTRIC WORKS LTD27 citations89

US4380869AApr 26, 1983

Electric shaver of reciprocating drive type having trimmer blade

MATSUSHITA ELECTRIC WORKS LTD24 citations80

US4451980AJun 5, 1984

Chargeable electric instrument

MATSUSHITA ELECTRIC WORKS LTD14 citations72