Inventor
TANAHASHI MASAO
JP24 patents
Patents
24 patentsUS5632087AMay 27, 1997
Reciprocatory dry shaver
MATSUSHITA ELECTRIC WORKS LTD102 citations97
US5398412AMar 21, 1995
Reciprocatory dry shaver
MATSUSHITA ELECTRIC WORKS LTD48 citations96
US5736797AApr 7, 1998
Linear oscillating motor
MATSUSHITA ELECTRIC WORKS LTD86 citations95
US5046249ASep 10, 1991
Motor driven oscillating razor
MATSUSHITA ELECTRIC WORKS LTD145 citations95
US5189792AMar 2, 1993
Reciprocatory electric shaver
MATSUSHITA ELECTRIC WORKS LTD64 citations94
US5921134AJul 13, 1999
Vibratory linear actuator and method of driving the same
MATSUSHITA ELECTRIC WORKS LTD80 citations93
US6098288AAug 8, 2000
Reciprocating-type electric shaver
MATSUSHITA ELECTRIC WORKS LTD80 citations92
US5943777AAug 31, 1999
Dry shaver with a skin stretcher
MATSUSHITA ELECTRIC WORKS LTD26 citations92
US5706582AJan 13, 1998
Dry shaver with a skin stretcher
MATSUSHITA ELECTRIC WORKS LTD30 citations92
US5551154ASep 3, 1996
Reciprocatory dry shaver
MATSUSHITA ELECTRIC WORKS LTD21 citations92
US5539984AJul 30, 1996
Dry shaver with floating cutter heads
MATSUSHITA ELECTRIC WORKS LTD22 citations92
US5507753AApr 16, 1996
Depilating device with skin guide stretcher
MATSUSHITA ELECTRIC WORKS LTD41 citations92
US5810843ASep 22, 1998
Hand-held depilating device
MATSUSHITA ELECTRIC WORKS LTD34 citations91
US5356415AOct 18, 1994
Depilating device
MATSUSHITA ELECTRIC WORKS LTD35 citations91
US5108410AApr 28, 1992
Depilating device
MATSUSHITA ELECTRIC WORKS LTD44 citations91
US4837929AJun 13, 1989
Dry shaver with a readily replaceable outer shearing foil
MATSUSHITA ELECTRIC WORKS LTD25 citations89
US4635360AJan 13, 1987
Cutting head for an electric shaver
MATSUSHITA ELECTRIC WORKS LTD36 citations87
US4589205AMay 20, 1986
Inner cutter for electric shavers
MATSUSHITA ELECTRIC WORKS LTD24 citations82
US4493149AJan 15, 1985
Reciprocal blade assembly of electric shaver
MATSUSHITA ELECTRIC WORKS LTD25 citations81
US5546659AAug 20, 1996
Reciprocatory dry shaver
MATSUSHITA ELECTRIC WORKS LTD6 citations74
US5283953AFeb 8, 1994
Rotary dry shaver
MATSUSHITA ELECTRIC WORKS LTD12 citations74
US4413410ANov 8, 1983
Electric shaver with rotary blade
MATSUSHITA ELECTRIC WORKS LTD13 citations73
US5548899AAug 27, 1996
Reciprocatory dry shaver
MATSUSHITA ELECTRIC WORKS LTD6 citations69
US5156805AOct 20, 1992
Process of preparing a ferritic alloy with a wear-resistive alumina scale
MATSUSHITA ELECTRIC WORKS LTD3 citations62