Inventor · disambiguated record
Masao Tanahashi
Also filed as: TANAHASHI MASAO
24 granted patents·1,008 citations·filing 1981–1997
97Inventor score
Files withMATSUSHITA ELECTRIC WORKS LTD24
Top patents by PatentIndex Score
24 records- 0193US5046249AMotor driven oscillating razorMATSUSHITA ELECTRIC WORKS LTD·Filed 1990·Granted Sep 10, 1991·145 cites·10 claims
- 0290US5736797ALinear oscillating motorMATSUSHITA ELECTRIC WORKS LTD·Filed 1996·Granted Apr 7, 1998·86 cites·8 claims
- 0389US5632087AReciprocatory dry shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 1995·Granted May 27, 1997·102 cites·24 claims
- 0488US5921134AVibratory linear actuator and method of driving the sameMATSUSHITA ELECTRIC WORKS LTD·Filed 1996·Granted Jul 13, 1999·80 cites·23 claims
- 0583US5398412AReciprocatory dry shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 1993·Granted Mar 21, 1995·48 cites·14 claims
- 0681US6098288AReciprocating-type electric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Aug 8, 2000·80 cites·16 claims
- 0780US5189792AReciprocatory electric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 1991·Granted Mar 2, 1993·64 cites·10 claims
- 0879US5507753ADepilating device with skin guide stretcherMATSUSHITA ELECTRIC WORKS LTD·Filed 1994·Granted Apr 16, 1996·41 cites·27 claims
- 0978US5108410ADepilating deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 1991·Granted Apr 28, 1992·44 cites·10 claims
- 1071US5810843AHand-held depilating deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 1996·Granted Sep 22, 1998·34 cites·23 claims
- 1171US5356415ADepilating deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 1992·Granted Oct 18, 1994·35 cites·12 claims
- 1264US4635360ACutting head for an electric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 1985·Granted Jan 13, 1987·36 cites·5 claims
- 1362US5706582ADry shaver with a skin stretcherMATSUSHITA ELECTRIC WORKS LTD·Filed 1996·Granted Jan 13, 1998·30 cites·4 claims
- 1462US4589205AInner cutter for electric shaversMATSUSHITA ELECTRIC WORKS LTD·Filed 1984·Granted May 20, 1986·24 cites·8 claims
- 1560US4493149AReciprocal blade assembly of electric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 1982·Granted Jan 15, 1985·25 cites·2 claims
- 1658US5943777ADry shaver with a skin stretcherMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Aug 31, 1999·26 cites·7 claims
- 1758US5551154AReciprocatory dry shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 1995·Granted Sep 3, 1996·21 cites·9 claims
- 1857US4837929ADry shaver with a readily replaceable outer shearing foilMATSUSHITA ELECTRIC WORKS LTD·Filed 1988·Granted Jun 13, 1989·25 cites·12 claims
- 1949US5539984ADry shaver with floating cutter headsMATSUSHITA ELECTRIC WORKS LTD·Filed 1995·Granted Jul 30, 1996·22 cites·12 claims
- 2045US4413410AElectric shaver with rotary bladeMATSUSHITA ELECTRIC WORKS LTD·Filed 1981·Granted Nov 8, 1983·13 cites·6 claims
- 2140US5283953ARotary dry shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 1992·Granted Feb 8, 1994·12 cites·12 claims
- 2235US5546659AReciprocatory dry shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 1995·Granted Aug 20, 1996·6 cites·5 claims
- 2331US5156805AProcess of preparing a ferritic alloy with a wear-resistive alumina scaleMATSUSHITA ELECTRIC WORKS LTD·Filed 1991·Granted Oct 20, 1992·3 cites·6 claims
- 2430US5548899AReciprocatory dry shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 1995·Granted Aug 27, 1996·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →